what is the half of 2 pi r
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Pi is the ratio of circumference over diameter. 2 and r come from the formula of diameter. ... 2 and r comes because it equals the diameter. So pi times 2 times r is basically circumference over diameter times diameter which gives circumference. So that is where 2*pi*r comes from.
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Answer:
pie r
Step-by-step explanation:
1/2 ×2 pie r 2 and 2 gets cut
pie r
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