Chapter REVIEW

find the area of the circle with radius 3 cm below.

• 100 cm²

• 225 cm²

• 9 cm²

• 28.26 cm²

What is the radius of this circle?

• 18

• 10

• 9

• 8

Find the area of the circle

• 43.96

• 153.86

• 87.82

• 307.72

Jacob is painting a circular picture on his wall.  If the painting has a diameter of 4 ft, how much paint will he need to cover the inside of the circle?  Is this question asking you to find the area, circumference, or neither?

• area

• circumference

• neither

What is the diameter?

• 8

• 16

• 10

• 4

What is the radius?

• 18

• 72

• 38

• 14

What is the diameter?

• 5 in

• 10 in

• 3.14 in

• 15.84 in

What is the distance around a circle?

• Circumference

• Area

• Diameter

• Radius

The diameter of a circle is 3 centimeters. What is the circumference?

• 11.5cm2

• 9.42 cm2

• unicorns are awsome

• 45.3 cm2

What is the circumference of a circle with a radius of 5 in terms of π ?

• 5 π square units

• 10 π square units

• 25 π square units

• 50 π square units