Unit 10: Circles Final Review

Front

What number represents π?

Back

3.14

Front

What is the measure of angle A?

Back

79°

Front

What is the distance around a circle?

Back

Circumference

Front

If the radius of a circle is 12.5 meters, what is the diameter?

Back

25 meters

Front

What is the formula for the circumference of a circle?

Back

C = 2πr or C = πd

Front

What is the area of a circle with a radius of 7 meters?

Back

154 square meters (A = πr²)

Front

What is the relationship between diameter and radius?

Back

Diameter is twice the radius (d = 2r).

Front

What is the term for a line segment that passes through the center of a circle and has endpoints on the circle?

Back

Diameter.

Front

What is the radius of a circle with a diameter of 10 meters?

Back

5 meters (r = d/2).

Front

What is the term for the distance from the center of a circle to any point on the circle?

Back

Radius.