Angles in Circles

Front

A segment whose endpoints lie on a circle is a _______.

Back

chord

Front

Find the measure of arc AB if it is given as 68 degrees. What is the measure of arc AB?

Back

68 degrees

Front

What is the measure of angle U if m∠U = 76?

Back

76 degrees

Front

What is the name of the angle formed by two radii of a circle?

Back

Central angle

Front

What is the name of the angle whose vertex is on the circle and whose sides contain chords of the circle?

Back

Inscribed angle

Front

How many degrees are in a semicircle?

Back

180 degrees

Front

What do you call a line that touches a circle at exactly one point?

Back

Tangent

Front

What is the longest chord in a circle called?

Back

Diameter

Front

If the measure of an inscribed angle is 38 degrees, what is the measure of the intercepted arc?

Back

76 degrees

Front

What is the relationship between the central angle and the arc it intercepts?

Back

The measure of the central angle is equal to the measure of the intercepted arc.