Chapter 8 Circles Test Review (Short)

Is the red line a radius or diameter of the circle?

• Radius
• Diameter

Tags

CCSS.HSG.C.A.2

What is the diameter?

• 5 in
• 10 in
• 3.14 in
• 15.84 in

Tags

CCSS.7.G.B.4

What is the circumference of a circle with a diameter of 9?

• 81π
• 9π
• 3π
• 6π

Tags

CCSS.7.G.B.4

If a circle has a radius of 10 ft. then which statement is true?

• The radius is 5 ft. 
•  The diameter is 5 ft
• The radius is 20 ft.
• The diameter is 20 ft.

Tags

CCSS.7.G.B.4

A circular swimming pool is 21 feet in diameter.
How many feet around is the pool?

• 10.5 ft
• 42 ft
• 65.94 ft
• 131.95 ft

Tags

CCSS.7.G.B.4

A cruise ship has a large, circular window. It has a diameter of 8 meters. What is the window's area?

• 31.25 m²

• 29.55 m²

• 30.36 m²

• 50.27 m²

Tags

CCSS.7.G.B.4

A bicycle tire has a diameter of 27 inches. What is the radius?

• 27π inches

• 13.5 inches

• 81 inches

• 25π inches

what is the area of a circle with the diameter of 16 cm ?

• 66 cm
• 200.96 cm
• 66.5 cm
• 10 m

Tags

CCSS.7.G.B.4

What is the distance around a circle?

• Circumference
• Area
• Diameter
• Radius

Tags

CCSS.7.G.B.4

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

• 100 cm²
• 18.84 cm²
• 9.42 cm²
• 28.26 cm²

Tags

CCSS.7.G.B.4