Question

Which of the following formulas is used to find the circumference of a circle?

O A. C = op?
B. C = 23d
O C. C = 8012
O D. C = 281

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Answer 1

D.

Explanation:

Circumference of a circle is also referred to as the perimeter bordering the circle.

Thus, it is given as:

C = 2πr

C is circumference

r = half of the diameter of the circle = r

This formula used in finding the circumference of a circle is C = 2πr