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A brooch is made with silver wire in the form of a circle with diameter 35 mm...

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A brooch is made with silver wire in the form of a circle with diameter 35 mm. The wire is also used in making 5 diameters which divide the circle into 10 equal parts. Find the total length of the silver wire required.

posted Apr 29, 2016 by anonymous

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1 Answer

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284.9 mm


L- length of wire, P- perimeter of circle, D- diameter of circle
L=P+5D=pi*D+5D=(pi+5)*D=8.14*35=284.9 mm

answer Jul 28, 2018 by Hanifa Mammadov
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