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If you know the diameter of a circle, how do you find its circumference?

A) Multiply the diameter by π.
B) Multiply the diameter by 2π.
C) Square the diameter and multiply by π.
D) Divide the diameter in half and multiply by π.

User Phoenix
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2 Answers

5 votes

Answer:

a

Explanation:

The formula for circumference is C=πd, meaning that you would multiply the diameter by π.

User Pranav Joglekar
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4 votes

Answer:

A

Explanation:

The formula for circumference is C=πd, meaning that you would multiply the diameter by π.

User Lingfeng Xiong
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