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Study sets matching "math geometry circles"

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Study sets matching "math geometry circles"

21 terms
Math 9 Circle Geometry Vocab
Tangent-Radius Property
Angle-Sum Property
Pythagorean Theorem
Centre Point
A tangent is perpendicular (forms right angle) to the radius…
The sum of the 3 angles in a triangle is always 180°
a² + b² = c²
The point at the perfect centre of the circle.
Tangent-Radius Property
A tangent is perpendicular (forms right angle) to the radius…
Angle-Sum Property
The sum of the 3 angles in a triangle is always 180°
9 terms
Math Geometry - Circles Vocab
Radius
Diameter
Chord
Semi-Circle
Distance from center to any point on circle
Distance across circle through the center
Line segment inside the circle touching two points on the cir…
1/2 of a circle
Radius
Distance from center to any point on circle
Diameter
Distance across circle through the center
17 terms
Math 9 - Circle Geometry Vocab
Inscribed Angle
Central Angle
Tangent
Chord
An angle formed by two chords in a circle which have a common…
An angle formed by two radii whose vertex is at the centre of…
A line that intersects the circle at one point.
A line segment that joins two points on the circumference of…
Inscribed Angle
An angle formed by two chords in a circle which have a common…
Central Angle
An angle formed by two radii whose vertex is at the centre of…
21 terms
Math 9 Circle Geometry Vocab
Tangent-Radius Property
Angle-Sum Property
Pythagorean Theorem
Centre Point
A tangent is perpendicular (forms right angle) to the radius…
The sum of the 3 angles in a triangle is always 180°
a² + b² = c²
The point at the perfect centre of the circle.
Tangent-Radius Property
A tangent is perpendicular (forms right angle) to the radius…
Angle-Sum Property
The sum of the 3 angles in a triangle is always 180°
21 terms
Math 9 Circle Geometry Vocab
Tangent-Radius Property
Angle-Sum Property
Pythagorean Theorem
Centre Point
A tangent is perpendicular (forms right angle) to the radius…
The sum of the 3 angles in a triangle is always 180°
a² + b² = c²
The point at the perfect centre of the circle.
Tangent-Radius Property
A tangent is perpendicular (forms right angle) to the radius…
Angle-Sum Property
The sum of the 3 angles in a triangle is always 180°
8 terms
Math circle geometry
Diameter
Radius
Chrod
Arc
A line that passes through the centre of the circle and its e…
A line reaching from the centre of the circle to the edge of…
A line segment with both endpoint a on a circle
A portion of the circumference of a circle
Diameter
A line that passes through the centre of the circle and its e…
Radius
A line reaching from the centre of the circle to the edge of…
9 terms
Math Circle Geometry Terms
Radius
Chord
Arc
Central Angle
A straight line from the center to the circumference of a cir…
A line that links two points on a circle or curve
A portion of the circumference of a circle
The angle subtended at the center of a circle by two given po…
Radius
A straight line from the center to the circumference of a cir…
Chord
A line that links two points on a circle or curve
15 terms
Math circle geometry
Tangent line
Point of tangency
Tangent radius property
Chord
Line that intersects a circle at only one point
Where tangent intersects circle
Tangent to circle is perpendicular to radius, creating 90degr…
Line segment that joins 2 points on a circle
Tangent line
Line that intersects a circle at only one point
Point of tangency
Where tangent intersects circle
24 terms
Math circle and geometry
Semi circle
how many degrees in a circle
Center of a circle
Diameter
half circle
360 degrees
a point in the middle of the circle, equal in distance from e…
A line segment from one edge of the circle to the other, goes…
Semi circle
half circle
how many degrees in a circle
360 degrees
21 terms
Math 9 Circle Geometry Vocab
Tangent-Radius Property
Angle-Sum Property
Pythagorean Theorem
Centre Point
A tangent is perpendicular (forms right angle) to the radius…
The sum of the 3 angles in a triangle is always 180°
a² + b² = c²
The point at the perfect centre of the circle.
Tangent-Radius Property
A tangent is perpendicular (forms right angle) to the radius…
Angle-Sum Property
The sum of the 3 angles in a triangle is always 180°
9 terms
Maths: Circle geometry
1.) A tangent and a radius meet at 90…
2.) Two radii form an isosceles triangle
3.)The perpendicular bisector of a cho…
4.) The angle at the center of a circl…
A tangent is a line that just touches a single point on the c…
Unlike other isosceles triangles they don't have the little t…
A chord is any line drawn across a circle and no matter where…
The angle subtended at the center of a circle is exactly doub…
1.) A tangent and a radius meet at 90…
A tangent is a line that just touches a single point on the c…
2.) Two radii form an isosceles triangle
Unlike other isosceles triangles they don't have the little t…
15 terms
Math 7 Circle Vocabulary (Geometry)
circle
center
radius
chord
the set of all points in a plane, equidistant from a given po…
the given point, what the circle is named by
the distance from the center to any point on the circle
a segment whose endpoints are on the circle
circle
the set of all points in a plane, equidistant from a given po…
center
the given point, what the circle is named by
16 terms
Circles - Geometry
Circle
Center
Radius
Diameter
the set of all points in a plane that are equidistant from a…
the given point that all points are equidistant from
distance from the center to a point on the circle; segment wh…
distance across the circle, through the center (twice the rad…
Circle
the set of all points in a plane that are equidistant from a…
Center
the given point that all points are equidistant from
11 terms
Geometry- Circles
Circle
Center of a circle
Radius
Chord
A line forming a closed loop, every point on which is a fixed…
A point inside the circle. All points on the circle are equid…
the distance from the center of a circle to the edge
a line that connects one point on a circle to another point o…
Circle
A line forming a closed loop, every point on which is a fixed…
Center of a circle
A point inside the circle. All points on the circle are equid…
20 terms
Geometry Circles
center
central angle
chord
circle
center
central angle
14 terms
Geometry - Circles
Chord
Secant
Tangent
Point of Tangency
segment whose endpoints are points on a circle
line that intersects a circle in two points
is a line in the plane of the circle that intersects the circ…
the point where a tangent line and circle intersect
Chord
segment whose endpoints are points on a circle
Secant
line that intersects a circle in two points
7 terms
Geometry- Circles
Chord
Tangent
Inscribed Angle
Central Angle
A line segment in the circle that intersects two sides of the…
A line that intersects the circle at one point.
An angle whose vertex is on the circle and is half the arc it…
An angle whose vertex is at the center of the circle and is e…
Chord
A line segment in the circle that intersects two sides of the…
Tangent
A line that intersects the circle at one point.
9 terms
Geometry: Circles
Circle
Radius
Chord
Diameter
Set of all points in a plane that are at a fixed distance fro…
A segment that joins the center of the circle to a point on t…
A line segment that joins two points of a circle
A chord that contains the center of the circle
Circle
Set of all points in a plane that are at a fixed distance fro…
Radius
A segment that joins the center of the circle to a point on t…
9 terms
Geometry - Circles
Area of a Circle
Circumference of a Circle
Diameter
Radius
A line that goes from one side of a circle, through the cente…
A line that goes from one side of a circle to the center.
Area of a Circle
Circumference of a Circle
Geometry circles
Chord
Secant
Tangent
Point of tangency
A segment whose endpoints lie on a circle.
A line that intersects a circle at 2 points
A line in the same plane as a circle that intersects it at ex…
The point where the tangent and a circle intersect
Chord
A segment whose endpoints lie on a circle.
Secant
A line that intersects a circle at 2 points
26 terms
Geometry circles
Circle
Center
Radius
Chord
Set of all points in a plain that are equidistant from a give…
is equal distance from all edges of a circle
A straight line from the center to the circumference of a cir…
a segment whose endpoints are on a circle
Circle
Set of all points in a plain that are equidistant from a give…
Center
is equal distance from all edges of a circle
33 terms
Geometry Unit 10 Circles
Circle
Center of a Circle
Radius
Chord
The set of all points equidistant from a given point.
The point inside of a circle that is the same distance from e…
A segment with one endpoint on the center of the circle and t…
A segment with both end points on the circumference of the ci…
Circle
The set of all points equidistant from a given point.
Center of a Circle
The point inside of a circle that is the same distance from e…
22 terms
Geometry Chapter 11 - Circles
chord
diameter
radius
secant
A segment whose endpoints lie on a circle
A chord that passes through the center of the circle
A straight line from the center to the circumference of a cir…
A line that intersects a circle in two points
chord
A segment whose endpoints lie on a circle
diameter
A chord that passes through the center of the circle
19 terms
Math Ch 6 Geometry Angles & Circles
point
line
line segment
protractor
exact location in space
a straight path that extends in both directions forever;... a se…
part of a line having two endpoints
a tool used to draw & measure the size of an angle
point
exact location in space
line
a straight path that extends in both directions forever;... a se…
14 terms
Geometry Circles Vocabulary
Circle
Pi (π)
Radius
Radii
A shape consisting of those points in a plane which are equid…
The ratio of the circumference to the diameter of a circle.
A line from the center of the circle of the circle to any poi…
more than 1 radius.
Circle
A shape consisting of those points in a plane which are equid…
Pi (π)
The ratio of the circumference to the diameter of a circle.
16 terms
Geometry: Circles
Interior/Exterior of a Circle
Chord
Secant
Concentric Circles
The interior of a circle is the set of all points inside the…
A chord is a segment whose endpoints lie on a circle
A secant is a line that intersects a circle at two points
Concentric Circles are coplanar circles with the same center
Interior/Exterior of a Circle
The interior of a circle is the set of all points inside the…
Chord
A chord is a segment whose endpoints lie on a circle
16 terms
Geometry: Circles
Interior/Exterior of a Circle
Chord
Secant
Concentric Circles
The interior of a circle is the set of all points inside the…
A chord is a segment whose endpoints lie on a circle
A secant is a line that intersects a circle at two points
Concentric Circles are coplanar circles with the same center
Interior/Exterior of a Circle
The interior of a circle is the set of all points inside the…
Chord
A chord is a segment whose endpoints lie on a circle
19 terms
Geometry-Circles
center
Name & symbol
radius
diameter
middle point in a circle
A point, A is center
A line segment with one endpoint at the center of a circle an…
The distance across a circle through its center
center
middle point in a circle
Name & symbol
A point, A is center
28 terms
Geometry: Circles
Circle
Radius
Chord
Diameter
The set of all points that are equidistant from a point calle…
A segment whose endpoints are the center and any point on the…
A segment whose endpoints are on a circle.
A chord that contains the center of the circle.
Circle
The set of all points that are equidistant from a point calle…
Radius
A segment whose endpoints are the center and any point on the…
10 terms
geometry - circles
chord
tangent line
central angle
concentric circles
chord
tangent line
Geometry- Circles
Equation of a Circle
Equation of a Circle
- Center of a circle
Radius
(x-h)²+(y-k)²=r², (h, k) is the center, r is the radius.
(x-h)²+(y-k)²=r². ... *h and k are opposite signs, when identify…
(h , k)
The distance from the center of a circle to any point on the…
Equation of a Circle
(x-h)²+(y-k)²=r², (h, k) is the center, r is the radius.
Equation of a Circle
(x-h)²+(y-k)²=r². ... *h and k are opposite signs, when identify…
8 terms
Geometry: Circles
Central Angle
Inscribed Angle
Cyclic Quadrilateral
Tangent Chord Angle
Central Angle = Intercepted Arc
Inscribed Angle = 1/2 Intercepted Arc
Opposite angles in a cyclic quadrilateral are supplementary.
Tangent Chord Angle = 1/2 Intercepted Arc
Central Angle
Central Angle = Intercepted Arc
Inscribed Angle
Inscribed Angle = 1/2 Intercepted Arc
9 terms
Circles Geometry
circle
radius
diameter
central angle
The set of all points in a plane that are the same distance f…
a segment that connects the center of a circle to the circle
a segment that passes through the center of a circle and has…
an angle with its vertex at the center of a circle
circle
The set of all points in a plane that are the same distance f…
radius
a segment that connects the center of a circle to the circle
14 terms
geometry circles
arc length formula
ab=cd
two tangents
tangent chord angle
intersecting chord rule
m<abc=1/2(mAC-mAC)
m<ABC=1/2mAB
arc length formula
ab=cd
intersecting chord rule
11 terms
Geometry Circles
Circle
Radius
Chord
Diameter
The set of all points in a plane that are the same distance f…
The distance from the center of a circle to any point on the…
a straight line connecting two points on a circle... can neve…
A chord that passes through the center of the circle
Circle
The set of all points in a plane that are the same distance f…
Radius
The distance from the center of a circle to any point on the…
25 terms
geometry - circles
circle
radius
diameter
chord
a set of all points that are equidistant from the center of t…
a segment who's endpoints are the center of the circle and an…
a chord that passes through the center of the circle
a segment who's endpoints are on the circle
circle
a set of all points that are equidistant from the center of t…
radius
a segment who's endpoints are the center of the circle and an…
10 terms
Geometry/Circles
chord
circumference
diameter
radius
a line segment passing through a circle that has its endpoint…
the distance around a circle
a chord passing through the center of a circle
a line segment with one endpoint at the center of a circle an…
chord
a line segment passing through a circle that has its endpoint…
circumference
the distance around a circle
23 terms
Geometry: Circles
circle
radius
diameter
chord
The set of all points in a plane that are the same distance f…
A straight line from the center to the circumference of a cir…
A straight line passing from side to side through the center…
A straight line connecting two points on a circle... can neve…
circle
The set of all points in a plane that are the same distance f…
radius
A straight line from the center to the circumference of a cir…
40 terms
Geometry - Circles
circle
chord
secant
tangent
a locus of points that are equidistant point called the radius
a segment whose endpoints lie on the circle
a line that intersects a circle at 2 points
a line in the same plane as a circle that intersects it at on…
circle
a locus of points that are equidistant point called the radius
chord
a segment whose endpoints lie on the circle
16 terms
Geometry Circles
arc
endpoints
minor arc
major arc
a curved line along the circumference of a circle
the points where an arc ends
an arc that takes up less than half a circle
an arc that takes up more than half of a circle, ( must be la…
arc
a curved line along the circumference of a circle
endpoints
the points where an arc ends
17 terms
circles geometry
chord bisector thm
equidistant thm
congruent tangents thm
tangent segments
if a diameter is ⟂ to a chord, then the diameter bisects the…
two congruent chords are the same distance from the center of…
the tangent segments to a circle from a point outside the cir…
a part of the tangent line with one endpoint outside the circ…
chord bisector thm
if a diameter is ⟂ to a chord, then the diameter bisects the…
equidistant thm
two congruent chords are the same distance from the center of…
16 terms
Geometry Palmiotto Math Circle Quiz Vocabulary
Diameter
Radius
Secant
Point of Tangency
Notation: __ _ _
Notation: __ _ _
Notation: <--> _ _
Notation: Point _
Diameter
Notation: __ _ _
Radius
Notation: __ _ _
11 terms
Circle Geometry
Two Tangent Theorem
Chord-Chord Angle
Secant-Tangent Angle OR Tangent-Tangen…
Area of a sector
If 2 tangent segments are drawn to a circle from an external…
The measure of a chord-chord angle equals half the sum of the…
The measure of an angle whose vertex is OUTSIDE a circle is h…
Two Tangent Theorem
If 2 tangent segments are drawn to a circle from an external…
Chord-Chord Angle
The measure of a chord-chord angle equals half the sum of the…
32 terms
Geometry Vocabulary 10 - Circles
circumscribed angle
intercepted arc
center of a circle
adjacent arcs
An angle whose sides are tangent to a circle.
An arc that lies between two lines, rays, or segments.
The point from which all points on a circle are equidistant.
Arcs of a circle that have exactly one point in common.
circumscribed angle
An angle whose sides are tangent to a circle.
intercepted arc
An arc that lies between two lines, rays, or segments.
9 terms
Circles Geometry
Arc Length
Sector Area
Right-angle corollary
Arc-intercept corollary
measure of arc/360 x 2πr
measure of arc/360 x πr²
if an inscribed angle intercepts a semicircle, then the angle…
if two inscribed angles intercept the same arc, then they hav…
Arc Length
measure of arc/360 x 2πr
Sector Area
measure of arc/360 x πr²
31 terms
Geometry Circles
Radius
Chord
Secant
Diameter
any segment that joins the center of the circle to any point…
a segment whose endpoints lie on a circle
a line that contains a chord
is a chord that contains the center of the circle (twice the…
Radius
any segment that joins the center of the circle to any point…
Chord
a segment whose endpoints lie on a circle
14 terms
Grade Nine Math Unit Ten - Circle Geometry
Inscribed Angle
Central Angle
Equal Inscribed Angles
Subtended
An angle formed by to chords that share an endpoint. This is…
An angle formed by two radii of a circle. This is twice the m…
Inscribed angles are equal if they are subtended by the same…
Lying opposite to something. If the arc is AB, then the angle…
Inscribed Angle
An angle formed by to chords that share an endpoint. This is…
Central Angle
An angle formed by two radii of a circle. This is twice the m…
12 terms
Math 9- Unit 8 (Circle Geometry) Vocabulary
Degree
Tangent
Inscribed angle
Central angle
Unit of measure that measures an angle within a shape
A straight line or plane that touches a curve of s circle
Angle created when line segments (not radii) create an angle…
Angle created by the arms (radii) of the circle
Degree
Unit of measure that measures an angle within a shape
Tangent
A straight line or plane that touches a curve of s circle
17 terms
Math Circles
Circle
Radius
Diameter
Chord
A set of points in a plane that are equidistant from a fixed…
Segment in a circle that starts at the center and ends at a p…
Segment in a circle that starts at a point on the circle, pas…
Segment in a circle that starts at a point on the circle and…
Circle
A set of points in a plane that are equidistant from a fixed…
Radius
Segment in a circle that starts at the center and ends at a p…
30 terms
Geometry - Circles
Circle
Center
Radius
Circumfrence
a 2D figure formed by a line that forms a closed loop, whose…
the fixed point inside the circle; all points on circle are e…
distance from circle center to any point on the circle
distance around circle, circle's perimeter, P = d x π
Circle
a 2D figure formed by a line that forms a closed loop, whose…
Center
the fixed point inside the circle; all points on circle are e…
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