8.1 - 8.3 Review

Front

What is the value of x in a circle where the angle measures 80°?

Back

80°

Front

What is the measure of arc JH if it is given as 130°?

Back

130°

Front

What is the measure of arc AYB if it is given as 260?

Back

260°

Front

Is the red line a radius or diameter of the circle if it spans the entire width?

Back

Diameter

Front

What kind of arc is Arc TW if it is less than a semicircle?

Back

Minor

Front

Define a radius in the context of a circle.

Back

A radius is a line segment from the center of the circle to any point on its circumference.

Front

Define a diameter in the context of a circle.

Back

A diameter is a line segment that passes through the center of the circle and has its endpoints on the circle.

Front

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

Back

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

Front

What is the measure of a semicircle?

Back

180°.

Front

How do you calculate the measure of an arc in a circle?

Back

The measure of an arc can be calculated using the central angle that subtends the arc.