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larisa [96]
3 years ago
13

What is the approximate circumference of the semicircle ​

Mathematics
1 answer:
marta [7]3 years ago
8 0

Hello from MrBillDoesMath!

Answer:

39.3

Discussion:

Circumference of full circle =  2 Pi R = 2 Pi ( 12.5). So circumference of semicircle is  (1/2) ( 2 Pi * 12.5) = Pi * 12.5. Using 3.14 for Pi, Pi * 12.5 is  39.3

Thank you,

MrB

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