Circle Vocabulary
Circle Properties
Circle Properties 2
Regular Polygons/Volume/SA
Misc
100
A straight line that goes from the center of the circle to edge of the circle.
radius
100
A tangent and a radius of a circle make this type of angle at the point of tangency.
right angle (90 degree angle)
100
The radius does this to a chord when they are perpendicular.
bisect
100
Find the area
558 ft2
100
Find the area and circumference
Area: 907.92 cm2
Circumference: 106.81 cm
200
A straight line that goes from one side of the circle to the other side of the circle through the center.
Diameter
200
If the length from AC is 15 cm. What is the length of line segment BC?
15 cm
200
These types of angles are equal when subtended by the same arc.
Inscribed Angles
200
Find the area of a regular hexagon with a side length of 6 cm
54 square root 3
200
Find surface area and volume
SA: 684 ft2
V: 864 ft3
300
A segment whose endpoints lie on a circle.
chord
300
What is the measurement of angle x? 
20 degrees
300
What is the length of line segment x?
9
300
Find the area
about 38 units2
300
Find the area of the blue sector
Area: 593.8 units2
400
A line that only touches the circle at one point.
Tangent
400
What is the measurement of the radius of the circle? 
13.3
400
All inscribed angles connected to the end points of a circle's diameter have this angle measurement.
90 degrees
400
Find the surface area/volume
SA = 96.65 cm2
V = 54.1 cm3
400
Find the arc length and sector area of shaded region
10.75 yd
500
An angle with endpoints and located on a circle's circumference and vertex located at the circle's center
central angle
500
What is the measurement of angle B?
38 degrees
500
If you were to draw two different chords and bisect them, the two bisectors would intersect at this point.
center (origin) of the circle
500
Find the surface area/volume
SA = 368.29 cm2
V = 523.28 cm3
500
Find surface area and volume
SA: 237.53 cm2
V: 189.56 cm3