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The radius of a circle is 20 centimeters. What is the circumference, in centimeters, of the circle? Round your answer to the nearest tenth. Response:

The radius of a circle is 20 centimeters. What is the circumference, in centimeters, of the circle? Round your answer to the nearest tenth. Response:
80.5k views
25 votes
The radius of a circle is 20 centimeters.

What is the circumference, in centimeters, of the circle? Round your answer to
the nearest tenth.
Response:

User Jcmrgo
by
8.3k points

2 Answers

14 votes
circle formula - 4/3(pi)r^3
substituting in the radius makes the equation 3/4(pi)20^3
which equals 33,493.333333..
to the nearest tenth the answer is 33,493.3 :)
User Andrew Perry
by
8.1k points
9 votes

Answer:

The circumference is 125.7cm

User Heits
by
7.6k points
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