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Study sets matching "geometry circle"

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Study sets matching "geometry circle"

15 terms
Circle Geometry
Chord
Diameter
Secant of a circle
Tangent to a circle
A segment whose endpoints are on the circle
Distance across the circle through its center
Intersects The Circle at exactly two points
A line that intersects a circle at exactly one point
Chord
A segment whose endpoints are on the circle
Diameter
Distance across the circle through its center
20 terms
Circle geometry
Central <
Inscribed <
Special case inscribed
< Formed by tangent and a chord
<= arc
<=1/2 arc
< is rt
<=1/2 arc
Central <
<= arc
Inscribed <
<=1/2 arc
13 terms
Circle Geometry
Radius
Diameter
Tangent
Chord
A line drawn from the centre of the circle to a point on the…
A line joining two points on the circumference of the circle…
A line drawn from a point outside the circle which touches th…
A line joining two points on the circumference of the circle…
Radius
A line drawn from the centre of the circle to a point on the…
Diameter
A line joining two points on the circumference of the circle…
19 terms
Geometry: Circle
circle
interior
exterior
chord
all possible points in a plane equidistant from a given point…
set of all points inside of a circle
set of all points outside a circle
a line segement with end points on the circle
circle
all possible points in a plane equidistant from a given point…
interior
set of all points inside of a circle
13 terms
Circle geometry
Tangent to
Circumference
Diameter
Radius
Just touches it
All the way around the circle
Has to go through center; two end points
Half of diameter
Tangent to
Just touches it
Circumference
All the way around the circle
13 terms
Circle geometry
Chord
Central angles
Inscribed angle
Arc
A line segment that joins 2 points on a circle.... It doesn't go…
These angles have their vertec at the center if the circle. T…
Angle formed by 2 chords which meet at the same endpoint
The circumfrence of a circle between the inscribed angles
Chord
A line segment that joins 2 points on a circle.... It doesn't go…
Central angles
These angles have their vertec at the center if the circle. T…
10 terms
Circle Geometry
Diameter
Radius
Chord
Tangent
A line segment that connects two points on the edge of the ci…
A line segment that connects the centre pt to the edge of the…
A line segment that connects two points on the edge of the ci…
A line that touches the circle at one point
Diameter
A line segment that connects two points on the edge of the ci…
Radius
A line segment that connects the centre pt to the edge of the…
37 terms
Circle Geometry
Acute
Obtuse
Right Angle
Reflex
Angle Less than 90°
Angle Greater than 90° and less than 180°
Angle that is 90°
Angle that is less than 180° and more than 360°
Acute
Angle Less than 90°
Obtuse
Angle Greater than 90° and less than 180°
9 terms
circle geometry
chord
radius
diameter
circumference
a line segment joining two points on the circumference of a c…
a line segment joining the centre of a circle to the outside…
the distance across a circle through its centre. represented…
the boundary of a distance around a circle. this is a linear…
chord
a line segment joining two points on the circumference of a c…
radius
a line segment joining the centre of a circle to the outside…
14 terms
Geometry circles
central angle
arc of a central angle
Total of all central angles
inscribed angle
An angle whose vertex is the center of the circle... Arc = Angle…
Equals the angle
equals 360 degrees
An angle whose vertex is on a circle and whose sides contain…
central angle
An angle whose vertex is the center of the circle... Arc = Angle…
arc of a central angle
Equals the angle
19 terms
Circles Geometry
Circle
Radius
Radii
Chord
Shape consisting of those points in a plane which have EQUIDI…
A line from the center of the circle to any point on the circle
more than on radius
A line segment that links two points on a circle
Circle
Shape consisting of those points in a plane which have EQUIDI…
Radius
A line from the center of the circle to any point on the circle
20 terms
Geometry- circles
Tangent
Secant
Chord
Rotation
A line in the plane of a circle that intersects the Circle in…
A line that intersects a circle in two points.
A segment whose end points are points on a circle.
A transformation in which a figure is turned about a fixed po…
Tangent
A line in the plane of a circle that intersects the Circle in…
Secant
A line that intersects a circle in two points.
22 terms
Geometry: Circles
concentric circles
congruent circles
major arc
minor arc
have the same center; different diameters
have the same diameter; different center
longer than a semicircle; named by 3 letters
shorter than a semicircle; named by 2 letters
concentric circles
have the same center; different diameters
congruent circles
have the same diameter; different center
11 terms
geometry circles
chord
secant
central angle
minor arc
chord
secant
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…
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
31 terms
Geometry: Circles
Set of all points equidistant from a g…
The point in a circle from which all p…
Distance from center to a point on the…
A segment whose endpoints are on a cir…
Circle
Center
Radius
Chord
Set of all points equidistant from a g…
Circle
The point in a circle from which all p…
Center
17 terms
Circles Geometry
circle
radius
diameter
chord
set of points equidistant from a given point
a segment from the center of the circle
a segment through the center; divides the circle in half
a segment that touches two points on the circle
circle
set of points equidistant from a given point
radius
a segment from the center of the circle
Geometry Circle Vocabulary
chord
central angle
minor arc
sector
straight segments joining 2 points on any circle
angle whose vertex lays on the center, legs are radii, with a…
in between points A and B of the central angle shorter or equ…
portion enclosed by two radii and an arc (central angle)
chord
straight segments joining 2 points on any circle
central angle
angle whose vertex lays on the center, legs are radii, with a…
18 terms
Geometry Circle Definitions
Intercepted Arc
Radius
Chord
Inscribed Angle
The arc formed using the endpoints of a chord
A segment from the center of the circle to any point on the c…
A segment whose endpoints lie on a circle
An angle whose vertex lies on a circle and whose sides contai…
Intercepted Arc
The arc formed using the endpoints of a chord
Radius
A segment from the center of the circle to any point on the c…
30 terms
geometry circles
circle
center
radius
chord
the set of all points in a plane that are equidistant from a…
the point from which all points of the circle are equidistant
a line segment from the center of the circle to any point on…
a line segment whose endpoints are points of the circle
circle
the set of all points in a plane that are equidistant from a…
center
the point from which all points of the circle are equidistant
Circles- Geometry
Circle
Radius
Chord
Diameter
a plane shape bounded by a continuous line... which is always th…
the distance from the centre of a circle to its circumference.
straight line joining two points on... the circumference of a ci…
a straight line passing through the centre of a circle... to tou…
Circle
a plane shape bounded by a continuous line... which is always th…
Radius
the distance from the centre of a circle to its circumference.
40 terms
Geometry - Circles
Circle
Special Segments in a Circle
Radius Formula
Diameter Formula
the locus or set of all points in a plane equidistant from a…
Radius - is a segment with endpoints at the center and on the…
r=d/2 OR r=.5(d)
d=2r
Circle
the locus or set of all points in a plane equidistant from a…
Special Segments in a Circle
Radius - is a segment with endpoints at the center and on the…
24 terms
Geometry circle vocab
Circle
Arc
Minor Arc
Major Arc
the set of all points on a plane at a set distance from a giv…
two points on a circle and the continuous (unbroken) part of…
An arc whose length is less than half of the circle. Named wi…
An arc of a circle whose length is more than half of the circ…
Circle
the set of all points on a plane at a set distance from a giv…
Arc
two points on a circle and the continuous (unbroken) part of…
15 terms
Geometry Test 1 Circle Vocabulary
circle
radius
chord
diameter
set of all points in a plane that are a given distance from a…
segment with one end point on the circle and one end point at…
segment that joins two points on the circle ... (segment with e…
a chord that goes through the center and is the longest chord…
circle
set of all points in a plane that are a given distance from a…
radius
segment with one end point on the circle and one end point at…
17 terms
Circle Geometry
What is a tangent?
What angle does a tangent and a radius…
What do two radii (radius) form?
What is a chord?
A tangent is a line that just touches a single point on the c…
90 degrees
An isosceles triangle.
Any line drawn across a circle.
What is a tangent?
A tangent is a line that just touches a single point on the c…
What angle does a tangent and a radius…
90 degrees
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.
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
11 terms
geometry circles
chord
secant
central angle
minor arc
chord
secant
11 terms
Geometry Circles
Circle
Radius
Chord
Secant
The set of all points in a plane that are equidistant... from a…
A segment whose endpoints are the center of a circle and... a po…
A segment whose endpoints are 2 points... on a circle.
A line that intersects a circle in two points
Circle
The set of all points in a plane that are equidistant... from a…
Radius
A segment whose endpoints are the center of a circle and... a po…
18 terms
Geometry Circles
definition of a circle
sphere
secant
tangent
set of points in a plane that are equidistant from the center…
set of all points that are equidistant from a given point/its…
line which intersects the circle at 2 distinct points
line which intersects a circle at exactly one point
definition of a circle
set of points in a plane that are equidistant from the center…
sphere
set of all points that are equidistant from a given point/its…
23 terms
geometry circles
the distance around a circle
every point on a circle is the same di…
the distance across a circle through i…
the distance from a circle to its center
circumference
center
diameter
radius
the distance around a circle
circumference
every point on a circle is the same di…
center
8 terms
geometry: the circle
central angle
inscribed angle
angle
m<1
eguals the arc
1/2 arc
1/2 arc
1/2(x+y)
central angle
eguals the arc
inscribed angle
1/2 arc
13 terms
Circle Vocabulary (Geometry)
Circle
Center
Radius
Diameter
The locus of all points in a plane equidistant from a given p…
The central point where radii form a locus of points called a…
Any segment with endpoints that are the center of the circle…
A chord that passes through the center of the circle
Circle
The locus of all points in a plane equidistant from a given p…
Center
The central point where radii form a locus of points called a…
38 terms
Geometry Chapter 9, Circle Geometry
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.
10 terms
geometry circles
symmetry
sector
arc
chord
splits through the center evenly (same on each side)
fractional piece of the circles area
fractional piece of the circles circumference
segment with both end points on the circle
symmetry
splits through the center evenly (same on each side)
sector
fractional piece of the circles area
10 terms
Geometry: CIRCLES
Circle
Chord
Tangent
Secant
a set of points equidistant from a center point in a plane ... *…
a segment joining two points on the circle
a line that intersects a circle at only one point
a line that intersects a circle at two points
Circle
a set of points equidistant from a center point in a plane ... *…
Chord
a segment joining two points on the circle
25 terms
Circle Geometry Vocabulary
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
Geometry- Circles
Theorem 10.1
Theorem 10.3
Theorem 10.4
Theorem 10.5
If a line is tangent to a circle, then it is perpendicular to…
If two segments from the same exterior point are tangent to a…
In the same circle, or in congruent circles, two minor arcs a…
If a diameter is perpendicular to a chord, then the diameter…
Theorem 10.1
If a line is tangent to a circle, then it is perpendicular to…
Theorem 10.3
If two segments from the same exterior point are tangent to a…
9 terms
Geometry-circles
circle
chord
radius
diameter
the set of points in a plane that are fixed distance from a g…
a segment whose endpoints both lie on the same circle
a segment whose endpoints are the center of the circle and a…
a segment whose endpoints are the circle and passes through t…
circle
the set of points in a plane that are fixed distance from a g…
chord
a segment whose endpoints both lie on the same circle
22 terms
Geometry Circles
In a plane, a line is tangent to a cir…
Tangent segments from a common externa…
minor arc
major arc
If and only if the line is perpendicular to a radius of the c…
congruent
part of circle less than 180
part of circle measures between 180 - 360
In a plane, a line is tangent to a cir…
If and only if the line is perpendicular to a radius of the c…
Tangent segments from a common externa…
congruent
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…
18 terms
Geometry: Circles
Radius
Diameter
Chord
Secant Line
Half the diameter of a circle
The width of the circle that goes from one side of a circle t…
A segment where the endpoints are on one circle
Line in as circle that goes on forever. Intersects the circle…
Radius
Half the diameter of a circle
Diameter
The width of the circle that goes from one side of a circle t…
26 terms
geometry circles
center
chord
secant
tangent line
equidistant from the circumference
segment end point to end point on the circle
goes all the way through the circle
intersects once on the edge... -perpendicular to the radius
center
equidistant from the circumference
chord
segment end point to end point on the circle
19 terms
Geometry Circles
Circle
Radius
Chord
Diameter
The set of all points in a plane at a given distance from a g…
Any segment joining the center of the circle to a point of th…
A segment whose endpoints lie on a circle.
A chord that contains the center of the circle. 2 times the r…
Circle
The set of all points in a plane at a given distance from a g…
Radius
Any segment joining the center of the circle to a point of th…
13 terms
Geometry Circle Vocab
Circle
Radius
Chord
Diameter
The set of all points equidistant from a given point called t…
A segment that with one endpoint on the circle, and the other…
A segment whose endpoints lie on a circle
A chord that passes through the center of the circle.
Circle
The set of all points equidistant from a given point called t…
Radius
A segment that with one endpoint on the circle, and the other…
14 terms
Geometry: Circles
Central Angle = Arc
Inscribed Angle = 1/2 Arc
An inscribed angle whose vertex inters…
Opposite angles are supplementary (180)
When there is a quadrilateral inside a circle, ...
Central Angle = Arc
Inscribed Angle = 1/2 Arc
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…
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
17 terms
Geometry Circles
concentric circle
major arc
minor arc
arc
circles that have a common center
more than 1/2 way around the outside of a circle
less than 1/2 way around the outside of a circle
piece or portion of the circumference
concentric circle
circles that have a common center
major arc
more than 1/2 way around the outside of a circle
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