Area of a Circle

Question 1

What is the approximate area of the circle? Use 3.14 for and round the answer to the nearest tenth.

Revolt · Accepted Answer

C: 95.0 in2

Question 2

What is the value of the radius rounded to the nearest tenth? ✔ 2.4 m4.8 m7.5 m

Revolt · Accepted Answer

A: 2.4 m

Question 3

Claire has a hot tub with a diameter of 7 feet. She wants to purchase a cover to protect the hot tub. What is the area of the cover? Use = 3.14 and round the answer to the nearest square foot. ft2

Revolt · Accepted Answer

38

Question 4

What is the approximate area of the circle that fits perfectly inside of the square? Use = 3.14 and round to the nearest tenth. cm2

Revolt · Accepted Answer

19.6

Question 5

Which is greater, the area of a red plate that has a radius of 6 cm, or the area of two yellow plates with a radius of 3 cm each?

Revolt · Accepted Answer

B: The red plate has an area larger than that of the two yellow plates.

Question 6

Question 6

Revolt · Accepted Answer

20

Question 7

Caisha has a circular garden with a radius of 4 ft. She needs to put a layer of soil on top. Each bag of soil covers 9.42 square feet. How many bags of soil will she need to buy?

Revolt · Accepted Answer

B: 6 bags

Question 8

Which are true about the area of a circle? Check all that apply.

Revolt · Accepted Answer

B: The units are always squared.; C: The area can be found when given the diameter by first finding the radius.; E: Circumference can be used to find area.

Question 9

What is the area of this circle in terms of pi?

Revolt · Accepted Answer

B: 16 cm2

Question 10

What is the approximate area of the circle rounded to the nearest tenth? ✔ 18.172.3 176.6 m2

Revolt · Accepted Answer

A: 18.1

Area of a Circle Answers

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