Vocab
Central and Inscribed Angles
Gons
Radians and Degrees
Arc Length and Sector Area
100
Identify the vocab term shown in the diagram.
Radius
100
Find the measure of the arc indicated.
64o
100
Find the perimeter
91
100
___ radians = 180o
pi
100
Find the length of the arc.
9.4 cm
200
Identify the vocab term shown in the diagram.
Chord
200
Find the measure of the angle indicated. 
54o
200
Find the area
614.25
200
Convert from radians to degrees.
(7pi)/12
105o
200
Find the area of the sector. Round your answer to the nearest tenth. 
294.52 yd2
300
Identify the vocab term shown in the diagram.
Tangent
300
Find the measure of the indicated angle. 
64o
300
Find the perimeter
41.14 cm
300
Convert from degrees to radians.
255o
(17pi)/12
300
Find the length of the darkened arc. Round your answer to the tenth. 
82.5 in
400
Identify the vocab term shown in the diagram.
Inscribed angle
400
Find the measure of the angle indicated.
35o
400
Find the area
116.50 cm2
400
Convert from degrees to radians.
235o
(47pi)/36
400
Find the area of the sector.
126.7 cm2
500
Identify the vocab term shown in the diagram.
Radian
500
Find the measure of the arc indicated.
116o
500
Find the area
130.85 in2
500
Explain what 1 radian is.
The central angle formed by an arc length of 1 radius around the edge of the circle.
500
The area of a sector is 17 ft2. The radius of the circle is 5 ft. Find the central angle of the sector.
78o