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The Russian ruble coin has a radius of 10.25 mm. What is the circumference in terms of pi ? The answer is 20.5 Pi

The Russian ruble coin has a radius of 10.25 mm. What is the circumference in terms of pi ? The answer is 20.5 Pi
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2 votes
The Russian ruble coin has a radius of 10.25 mm. What is the circumference in terms of pi ?

The answer is 20.5 Pi

User Jake Freelander
by
8.4k points

2 Answers

6 votes
The answer should be 64.4, 20.5 is the diameter, you need to multiply the diameter times pi.
User MefiX
by
8.0k points
4 votes

Answer:

D is the answer.

Explanation:

5mc

10mc

10.25mc

20.5mc

User Yargicx
by
8.6k points
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