Chapter 12 Review

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

• 100 cm²

• 225 cm²

• 9 cm²

• 28.26 cm²

The Carillo family has a circular swimming pool with a diameter of 10 feet. Find the area of the pool cover to the nearest tenth.

• 94 ft²

• 53.4 ft²

• 70.9 ft²

• 78.5 ft²

A circular table top has a radius of 3 feet. A decorative trim is placed along the outside edge of the table. How long is the trim?

• 6.28 feet

• 12.56 feet

• 18.84 feet

• 25.12 feet

Find the area of the circle.

• 43.96
• 153.86
• 87.82
• 307.72

The diameter of the circle is 6 inches. What is the circumference? Leave in terms of π.

• 6π in

• 12π in

• 36π in

• 24π in

A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's approximate circumference?

• 3 m 
• 9.42 m
• 12 m
• 18.84 m

Tags

CCSS.7.G.B.4

What is the radius of this circle?

• 12cm
• 6cm
• 24cm
• 3cm

Find the circumference of a circle with diameter = 10 ft

• 3.14 ft
• 31.4 ft
• 314.1 ft
• 62.8 ft

Find the circumference of a circle with
radius = 2 cm

• 6.3 cm
• 1.26 cm
• 12.6 cm
• 126 cm

find the area of the circle below.

• 100 cm
• 225 cm
• 9 cm
• 28.26 cm