Central and Inscribed Angles

Front

central angle: an angle with its vertex _____________ the circle

Back

at the center of

Tags

CCSS.HSG.C.A.2

Front

inscribed angle: an angle with its vertex _____________ the circle

Back

on

Tags

CCSS.4.G.A.1

Front

Solve for the missing angle: If the central angle is 90° and the inscribed angle subtended by the same arc is x°, what is x?

Back

45°

Tags

CCSS.HSG.C.A.2

Front

Find the measure of arc AB if the central angle is 136°. What is the measure of arc AB?

Back

136°

Front

If the inscribed angle is 22.5°, what is the measure of the central angle subtended by the same arc?

Back

45°

Tags

CCSS.HSG.C.A.2

Front

What is the relationship between a central angle and an inscribed angle subtended by the same arc?

Back

The central angle is twice the inscribed angle.

Tags

CCSS.HSG.C.A.2

Front

If the measure of arc CD is 68°, what is the measure of the inscribed angle subtended by arc CD?

Back

34°

Tags

CCSS.HSG.C.A.2

Front

Which number best represents a central angle? 1, 2, 8, 9

Back

2

Tags

CCSS.HSG.C.A.2

Front

If the measure of an inscribed angle is 90°, what is the measure of the arc it subtends?

Back

180°

Tags

CCSS.HSG.C.A.2

Front

What is the formula to find the measure of an inscribed angle?

Back

Inscribed angle = 1/2 (measure of the intercepted arc)

Tags

CCSS.HSG.C.A.2