The diameter of a circle is 4 kilometers. What is the circle's circumference?

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asked Jul 27, 2022 111k views

2 votes

The diameter of a circle is 4 kilometers. What is the circle's circumference?

Mathematics
high-school

Mlapaglia asked

by Mlapaglia

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2 Answers

1 vote

Answer:

12.57 km

Explanation:

Radius = 4 / 2 = 2 km

Circumference = 2πr = 2π(2) = 4π = 12.57 km

Albert Renshaw answered Jul 27, 2022

by Albert Renshaw

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5 votes

Answer:

12.56km

Explanation:

C=2pi r

2r=d

C=pi d=4pi=4x3.14=12.56km

Ali Tou answered Jul 31, 2022

by Ali Tou

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