Final Exam Review II

Front

What is the measure of arc AB if the options are 17, 34, 68, 146?

Back

68

Front

What is the measure of arc QP if the options are 140, 40, 70, 100?

Back

140

Front

What is m∠ACB if the options are 67.5°, 90°, 22.5°, 45°?

Back

22.5°

Front

What is the measure of x if the options are 20, 155, 45, 135?

Back

20

Front

Find the measure of the indicated angle if the options are 42, 51, 36, 45?

Back

36

Front

Define an arc in a circle.

Back

An arc is a portion of the circumference of a circle.

Front

What is the relationship between the central angle and the arc length in a circle?

Back

The arc length is directly proportional to the central angle.

Front

What is the formula for finding the measure of an inscribed angle?

Back

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

Front

What is the sum of the measures of angles in a triangle?

Back

The sum of the measures of angles in a triangle is always 180°.

Front

Define a central angle in a circle.

Back

A central angle is an angle whose vertex is at the center of the circle and whose sides intersect the circle.