The diameter of a circle is 12 kilometers. What is the circle's circumference? Use 3.14 for .

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asked Jan 4, 2023 9.1k views

2 Answers

Georgeliatsos · Answer 1 · 2023-01-05T18:04:05+0000

» The diameter of a circle is 12 kilometers. What is the circle's circumference? Use 3.14.

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To find the circumference, use pi (π), a mathematical constant. Its value is approximately equal to 3.14.

— Multiply the diameter with π in order to get the circumference of a Circle.

$\tt \: d = 12 km \\ \tt \: \: C = π × d \tt \\ \tt \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 3.14×12 \: km \\ \tt \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = \underline{ \boxed{ \purple{ \bold{ 37.68 \: km}}}}$

Therefore, the circumference of the circle is 37.68 kilometers.

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