Chapter 10 Review

Front

What is the measure of ∠PTQ?

Back

140°

Front

A secant is:

Back

A line that intersects the circle at two points.

Front

What is the part of the circle highlighted in red called?

Back

minor arc

Front

Two tangents CD and CB intersect circle A. Find the length of the tangent segment BC.

Back

14

Front

How big is angle b?

Back

60 degrees

Front

What is a tangent in relation to a circle?

Back

A line that touches the circle at exactly one point.

Front

Define a circle's radius.

Back

The distance from the center of the circle to any point on its circumference.

Front

What is the difference between a major arc and a minor arc?

Back

A minor arc is less than 180 degrees, while a major arc is more than 180 degrees.

Front

What is a chord in a circle?

Back

A segment whose endpoints are on the circle.

Front

What is the formula for the circumference of a circle?

Back

C = 2πr, where r is the radius.