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

User Nikos Baxevanis
by
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1 Answer

2 votes
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.
User Alexander Christov
by
8.4k points
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