Area and Perimeter of Quads and Circles

Find the circumference of a circle with a diameter of 11 millimeters.

• 34.6 mm

• 30 mm

• 25.3 mm

• 34.5 mm

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

• 65.9 ft

• 131.9 ft

Tags

CCSS.7.G.B.4

A minute hand (radius) of a clock is 13.8 meters long. What is the circumference of the clock?

• 86.7 meters

• 76.7 meters

• 66.7 meters

• 96.7 meters

Tags

CCSS.7.G.B.4

Find the area of the circle

• 43.9

• 153.9

• 87.8

• 307.7

Tags

CCSS.7.G.B.4

Does this picture show the diameter or radius of a circle?

• Diameter

• Radius

What is the radius of this circle?

• 18 in

• 36 in

• 9 in

• 8 in

Tags

CCSS.7.G.B.4

Daniel has a circular rug that has a diameter of 16 inches. How much space does the rug take up?

• 200.96 in

• 50.24 in

• 803.84 in

• 25.12 in

Tags

CCSS.7.G.B.4

Find the area of the shaded region using the formulas.

• (4 x 8) + (3.14 x 1²)

• (3.14 x 1²) - (4 x 8)

• (4 x 8) - (3.14 x 2²)

• (4 x 8) - (3.14 x 1²)

Find the composite area.

• 72.12

• 146.24

• 96

• 121.12

The Cruz family is buying a custom-made cover for their swimming pool, shown above. The cover costs $2.95 per square foot. How much will the cover cost? Round to the nearest cent.

• $422.10

• $551.63

• $1,627.29

• $1,106.25