Chapter 10 Review

Front

What is the measure of angle 2 if it is given that angle 2 = 40°?

Back

40°

Front

Find m∠UST if it is given that m∠UST = 119°.

Back

119°

Front

What is the measure of minor arc AV if it is given that minor arc AV = 55°?

Back

55°

Front

What is the part of the circle highlighted in red called if it is a semi-circle arc?

Back

semi-circle arc

Front

A tangent is a line that _______.

Back

intersects the circle at one point.

Front

Define a minor arc in a circle.

Back

A minor arc is an arc that is smaller than a semi-circle.

Front

What is a major arc in a circle?

Back

A major arc is an arc that is larger than a semi-circle.

Front

What is a sector of a circle?

Back

A sector is a region enclosed by two radii and the arc between them.

Front

How do you calculate the measure of an angle formed by two tangents to a circle?

Back

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

Front

What is the relationship between the angles formed by a tangent and a chord?

Back

The angle formed by a tangent and a chord is equal to the measure of the opposite arc.