L.b Central and Inscribed Angles YL CFA

Front

What is the measure of a semicircle in degrees?

Back

180°

Front

What is the measure of a full circle in degrees?

Back

360°

Front

If m∠PRQ = 51°, what is the measure of angle PRQ?

Back

51°

Front

What is the measure of arc DC if it is given as 122°?

Back

122°

Front

What is the relationship between central angles and inscribed angles in a circle?

Back

The measure of a central angle is twice the measure of the inscribed angle that subtends the same arc.

Front

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

Back

The measure of an inscribed angle is half the measure of the intercepted arc.

Front

If an inscribed angle intercepts an arc of 100°, what is the measure of the inscribed angle?

Back

50°

Front

What is the sum of the angles in a triangle?

Back

180°

Front

If two angles are inscribed in a circle and intercept the same arc, what can be said about their measures?

Back

They are equal.

Front

What is the measure of an angle formed by two chords that intersect inside a circle?

Back

The measure of the angle is half the sum of the measures of the intercepted arcs.