Circle Unit Test

Identify the angle of rotation

Find the circumference. Round your answer to the nearest tenth.

• 67.2 km

• 68.5 km

• 19.9 km

• 62.8 km

Find the circumference. Round to the nearest tenth.

• 37.7 in

• 18.9 in

• 75.4 in

• 15.4 in

What is the equation of the circle shown in the graph?

Mathematical Equivalence

ON

Match the following vocabulary term with its appropriate part of the circle.

• Semi-Circle

• Point V

• Secant Line

• Major Arc

• Point of Tangency

• Line PR

• Minor Arc

Find the exact circumference.

Find the diameter of a circle that has a circumference on 25.1 inches.

• 9.8 in

• 8.4 in

• 8 in

• 32 in

What is the diameter of a circle that has a circumference of 60.9 yards?

• 19.8 yd

• 19.4 yd

• 6.2 yd

• 20.2 yd

If a circle has a circumference of 15.7 km, what is its radius?

• 2.5 km

• 1.6 km

• 3.1 km

• 6.3 km