1 Answer

Gurubaran · Answer 1 · 2023-02-07T22:13:22+0000

Answer:

$P = 8\pi$

Explanation:

To solve this problem, we must calculate the circumference of one circle and multiply it by two because there are 2 circles (4 halves), that make up the perimeter.

We know the diameter is 4m, thus, the circumference of one circle (two halves) is:

$C_1 = \pi d\\C_1 = \pi 4$

To get the total perimeter (circumference) multiply the result by 2:

$C = C * 2\\C = 4\pi * 2\\C = 8\pi$

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