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How to find the circumference of a circle that is 42m and has diameter

How to find the circumference of a circle that is 42m and has diameter-example-1

1 Answer

6 votes

Answer:

Circumference of the circle is
131.88m

Explanation:

we have to find the circumference of the given circle.

Given:

Diameter=42 m


\\diameter=2*radius\\42 =2*radius\\radius=42/2\\radius=21 m

Circumference of a circle=
2\pi r


=2*\pi *21\\=2*3.14*21\\=42*3.14\\=131.88

So, the circumference of the circle is
131.88m

User JGS
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