daviddowdy9195 daviddowdy9195

26-06-2018
Mathematics

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Find the perimeter of this quarter circle with radius, r = 78mm. Give your answer as an expression in terms of π .

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amanueljbday amanueljbday

26-06-2018

Circumfrence/Perimeter of a Circle
= 2πr
= (2)(π)(78)
= (π)(156)
Divide by four to get Quarter Circle
= (π)(156/4)
= (π)(39)
The Circumfrence / Perimiter of this quarter circle in terms of π is 39π mm.

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