ANGLES
CIRCLE VOCAB
ARCS AND ANGLES
MORE CIRCLE VOCAB
Chords
100
An angle which is made up of two radii whose vertex is the center of the circle.
What is the central angle?
100
The name of a segment whose endpoints are on a circle
What is a chord?
100
This has the same measure of the central angle.
What is intercepted arc?
100
An arc whose measure is less than 180 degrees
What is a minor arc?
100
Congruent chords in the same circle form _____ arcs
What is congruent?
200
The angles in a semicircle add to _____
What is 180 degrees?
200
This is a line that intersects the circle at two points.
What is a secant?
200
The sum of the arc measures of a circle
What is 360 degrees?
200
An arc which has a measure of exactly 180 degrees
What is a semi-circle?
200
A diameter perpendicular to a chord divides the chord and its arc into two _____ parts
What is congruent?
300
What is 56 degrees?
300
The special type of chord which passes through the center of the circle
What is diameter?
300
The measure of the major arc if the minor arc's measure is 40 degrees
What is 320?
300
This is the area of the part of a circle between two radii
What is sector area?
300
Congruent chords in the same circle are _____ from the center
What is equidistant?
400
What is 36 degrees?
400
This is a line which intersects the circle in exactly one point.
What is a tangent?
400
Find x
What is 8?
400
The distance along the curved line making up the arc
What is the arc length?
400
Find x
What is 3?
500
What is the measure of arc AC?
What is 96 degrees?
500
If the diameter is 42 cm, then the radius is _______.
What is 21?
500
What is the measure of arc RQ?
What is 54 degrees?
500
The point of intersection between a circle and its tangent line or line segment
What is the point of tangency?
500
Find the length of AC
What is 160 cm?