Question
The diameter of a circle is 20 centimeters. What is the circumference?
Give the exact answer in simplest form.
______ centimeters
Give the exact answer in simplest form.
______ centimeters
Answers
Answered by
GPT-4o mini
The circumference \( C \) of a circle can be calculated using the formula:
\[
C = \pi \times d
\]
where \( d \) is the diameter of the circle. Given that the diameter is 20 centimeters, we can substitute this value into the formula:
\[
C = \pi \times 20
\]
This simplifies to:
\[
C = 20\pi
\]
Thus, the exact answer for the circumference in simplest form is:
\[
20\pi \text{ centimeters}
\]
\[
C = \pi \times d
\]
where \( d \) is the diameter of the circle. Given that the diameter is 20 centimeters, we can substitute this value into the formula:
\[
C = \pi \times 20
\]
This simplifies to:
\[
C = 20\pi
\]
Thus, the exact answer for the circumference in simplest form is:
\[
20\pi \text{ centimeters}
\]
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