Question

The diameter of a circle is 16 miles. What is the circumference?

Give the exact answer in simplest form.

Answer 1

16π miles

Explanation:

You want the circumference of a circle that is 16 miles in diameter.

Circumference

The circumference of a circle is given by the formula ...

C = πd

When the diameter is 16 miles, this is ...

C = π(16 miles) = 16π miles

The circumference of the circle is 16π miles.

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