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PLS Help! What is the best approximation for the perimeter of a semicircle with a diameter of 12cm? Use 3.14 to approximation pi.
A. 18.84cm
B. 30.84cm
C. 61.68cm
D. 75.36cm
PlS HELP!<3

Respuesta :

litsparks

Answer:

A

Step-by-step explanation:

ksf0821
The answer is B because you have to do 12 times 3.14 to get the circumference. In order to find the perimeter, you must do the diameter times pi plus the diameter. Since it’s a semi circle you also have to divide by 2. So 12 times 3.14 divided by 2 plus 12 is 30.84 cm which is B.

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