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Find the radius of a circle with a circumference of 42π meters

1 Answer

6 votes

Answer:

21 meters

Explanation:

circumference of a circle is πd, or π2r

so, to find the radius, we simply must divide the circumference by everything used to find is BESIDES the radius, in order to single it out

42π / 2π = 21

the radius is 21 meters

User James Graham
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