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Study sets matching "geometry circle math"

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Study sets matching "geometry circle math"

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°
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°
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°
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
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
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…
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
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…
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…
16 terms
Geometry Palmiotto Math Circle Quiz Vocabulary
Diameter
Radius
Secant
Point of Tangency
Notation: __ _ _
Notation: __ _ _
Notation: <--> _ _
Notation: Point _
Diameter
Notation: __ _ _
Radius
Notation: __ _ _
17 terms
Circle Geometry
Radius
Diameter
Chord
circumference
Any straight line from the center of a circle to its circumfe…
the distance measured from one point on a circle to another g…
Any straight line linking two points on a circle`s circumfere…
The total length of the outside edge (perimeter) of a circle.
Radius
Any straight line from the center of a circle to its circumfe…
Diameter
the distance measured from one point on a circle to another g…
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…
6 terms
Grade 9 Math (Math Links) Chapter 10 Circle Geometry
Chord
Central Angle
Inscribed Angle
Arc
a line segment joining two points on the circumference of a c…
an angle formed by two radii of the circle. the vertex of the…
an angle formed by two chords that share a common endpoint. t…
a portion of the circumference of a circle. a minor arc is le…
Chord
a line segment joining two points on the circumference of a c…
Central Angle
an angle formed by two radii of the circle. the vertex of the…
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
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…
18 terms
ACT Circle Geometry Proofs
opposite angles in a cyclic ... quadrilat…
the angle between a tangent and a chor…
equal arcs subtend equal angles at the…
the products of intercepts of intersec…
opposite angles in a cyclic ... quadrilat…
the angle between a tangent and a chor…
15 terms
Circle Geometry
right triangle
isocelese triangle
equilateral triangle
scalene triangle
one 90 degree angle
two equal sides, two base angles are equal
sides are all the same, All angles are 60 degrees
no equal sides
right triangle
one 90 degree angle
isocelese triangle
two equal sides, two base angles are equal
9 terms
Circle geometry
A tangent and a radius
2 radii form
The perpendicular bisector of a chord
The angle at the centre of a circle
meet at 90
an isoscele triangle
passes through the centre of the circle
is twice the angle at the circumference
A tangent and a radius
meet at 90
2 radii form
an isoscele triangle
8 terms
circle geometry
radius
diameter
circumference
area of circle
A straight line from the center to the circumference of a cir…
A straight line passing from side to side through the center…
The distance around a circle
A=πr²
radius
A straight line from the center to the circumference of a cir…
diameter
A straight line passing from side to side through the center…
15 terms
circle geometry
tangent
point of tangency
tangent-radius property
perpendicular to chord property #1
line that intersects a circle at only one point
point where the tangent intersects the circle
a tangent that is perpendicular to the radius at the point of…
where, from the centre of a circle to a chord bisects the cho…
tangent
line that intersects a circle at only one point
point of tangency
point where the tangent intersects the circle
20 terms
Geometry Circles
center
central angle
chord
circle
center
central angle
10 terms
Geometry: Circle
circle
radius
diameter
circumference
半径
直径
周长
circle
radius
半径
13 terms
Geometry Circle Vocabulary
circle
center
radius
chord
set of all points in a plane that are a given distance from a…
the point in the middle of the circle - equal distance from t…
segment with one end point on the circle and one end point at…
segment that joins two points on the circle ... (segment with e…
circle
set of all points in a plane that are a given distance from a…
center
the point in the middle of the circle - equal distance from t…
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.
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…
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…
15 terms
Circle Geometry
If OP is perpendicular to AB then AP =…
If AB = CD then x = y (equal chords eq…
AOB = 2 x ACB (angle at centre is twic…
ACB = ADB (angles in same segment)
If OP is perpendicular to AB then AP =…
If AB = CD then x = y (equal chords eq…
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
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
9 terms
Circle Geometry
A tangent and a radius always meet at…
Two radii form an isosceles triangle
The perpendicular bisector of a chord…
The angle at the centre of a circle is…
A tangent and a radius always meet at…
Two radii form an isosceles triangle
21 terms
Circle Geometry
Radius
Diameter
Tangent
Point of Tangency
The distance or line segment from the centre of a circle to a…
The distance across a circle, measured through its centre; th…
A line that intersects a circle at only one point.
The point where a tangent intersects (touches) the circle.
Radius
The distance or line segment from the centre of a circle to a…
Diameter
The distance across a circle, measured through its centre; th…
21 terms
Geometry CIRCLE
circle
center
radius
chord
A round shape
In the middle
A straight line from the center to the circumference of a cir…
A segment whose endpoints lie on a circle
circle
A round shape
center
In the middle
5 terms
Circle geometry
Angles in the same segment are equal
Angles in a semi-circle are 90 degrees
opposite angles in a cyclic quad add u…
Tangents from a point outside the circ…
Angles in the same segment are equal
Angles in a semi-circle are 90 degrees
12 terms
math circle
Circumference
Center
Diameter
Radius
The distance around a circle is its
every point on a circle is the same distance from its
the distance across a circle though it's center is its
the distance from a circle to it's center is its
Circumference
The distance around a circle is its
Center
every point on a circle is the same distance from its
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
10 terms
Grade 9 Circle Geometry
chord
bisect
angle
central angle
A segment whose endpoints lie on a circle
to divide into two equal parts
A figure formed by two rays with a common endpoint
an angle whose vertex is the center of the circle
chord
A segment whose endpoints lie on a circle
bisect
to divide into two equal parts
16 terms
Circle geometry
Sector
Tangent
Chord
An arc
A wedge shaped area, cut right from the center
A straight line that touches the outside of a circle
A line across the inside of the circle
Part of the circumference of the circle
Sector
A wedge shaped area, cut right from the center
Tangent
A straight line that touches the outside of a circle
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…
16 terms
Geometry Circle Terms
Center
Chord
Secant
Point of Tangency
given point from which all points on a circle are the same di…
A segment whose endpoints are 2 points... on a circle.
A line that intersects a circle in two points
Point where a Tangent segment touches a circle
Center
given point from which all points on a circle are the same di…
Chord
A segment whose endpoints are 2 points... on a circle.
12 terms
Circle Formulas in Geometry
Find the measure of Central Angle
Find the measure of an Inscribed Angle.
Find the measure of an Angle INSIDE th…
Find the measure of an Angle OUTSIDE t…
It is equal to its Intercepted arc.
It is equal to 1/2 of its Intercepted arc.
It is equal to 1/2 of the sum of the arcs.
It is equal to 1/2 DIFFERENCE of the arcs
Find the measure of Central Angle
It is equal to its Intercepted arc.
Find the measure of an Inscribed Angle.
It is equal to 1/2 of its Intercepted arc.
10 terms
Geometry Circle Terminology
Chord
Tangent
Minor Arc
major arc
Chord
Tangent
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
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