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What is the circumference of a circle with a diameter of 40 in?

What is the circumference of a circle with a diameter of 40 in?-example-1
User Rkta
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2 Answers

2 votes

Answer:

126 in²

Explanation:

C = πd when the diameter is known. If the diameter is 40 in, then the radius is half that, or 20 in.

Then the circumference of a circle with a diameter of 40 in is

C = (40 in)π. This works out to approximately 126 in²

User GregC
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4 votes
the answer is the pink one. 125.6
User Fchancel
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