Zyria2005 Zyria2005

21-02-2019
Mathematics

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What is the approximate circumference of the semicircle

What is the approximate circumference of the semicircle class=

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MrBillDoesMath MrBillDoesMath

21-02-2019

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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