4 years ago

URGENT!!! HELP NOW PLEASE!!! 15 POINTS!!!

Mathematics

2 answers:

ahrayia [7]4 years ago

8 0

Circumference= 2*pi*radius
2*pi*4=
8pi/2 bc semicircle
4*3.14=
12.56

jeka944 years ago

4 0

The perimeter of a semicircle is 1/2pi * d + d, d = 8
0.5(3.14) * 8 + 8

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