To the nearest tenth, what is the area of a circle whose diameter is 21 inches? Use 3.14 for π . Enter your answer in the box.

asked Apr 11, 2018 21.6k views

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To the nearest tenth, what is the area of a circle whose diameter is 21 inches?

Use 3.14 for π .

Enter your answer in the box.

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3 votes

346.2 is the answer

Matthew Wood answered Apr 13, 2018

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1 vote

21/2=
10.5x10.5=110.25
110.25*3.14=346.185
346.185 rounded=346.2 as your answer.

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