The circumference a circle is 2pi(r), however we need to divide this by 4 because it's a quarter of a circle. When you divide the circumference by 4, you get pi(r)/2.
Lim C.
asked • 09/15/17Given that the figure below is a quarter of a circle, which of the formulas could be used to find the length of the curved part?
Is it pi(r)/4? if not please explain in detail why. Thank you!
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Lim C.
09/15/17