Area Circumference Challenge

You want to put fencing around the edge of a garden. The circular garden has a radius of 6 feet. How long will your fence be?

• 18.84

• 113.04

• 37.68

• 56.52

Tags

CCSS.7.G.B.4

Find the composite area.

• 6.28

• 24

• 40

• 38.28

A circular fountain has a drain in the center. The distance from the drain to the edge of the fountain is 3 feet. What is the approximate circumference of the fountain?

• 6 feet

• 9 feet

• 15 feet

• 18 feet

Tags

CCSS.7.G.B.4

A semicircle opening above the entrance at Six Flags has a diameter of 15 feet.  What is the area of this opening?  Round to the nearest tenth.

• 706.5 square feet

• 47.1 square feet

• 88.3 square feet

• 176.6 square feet

Tags

CCSS.7.G.B.4

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

• 31.4

• 62.8

• 157

• 314

Tags

CCSS.7.G.B.4

• 15.7

• 19.625

• 31.4

• 78.5

Tags

CCSS.7.G.B.4

• 4

• 8

• 16

• 64

Tags

CCSS.7.G.B.4

If the radius of a circle is 5 cm, what is its circumference?

• 15π cm

• 20π cm

• 10π cm

• 25π cm

Tags

CCSS.7.G.B.4

If the radius of a circle is 3.5 cm, what is its area in square centimeters?

• 38.49

• 10.99

• 21.99

• 12.25

Tags

CCSS.7.G.B.4