Richa needs two decorated identical semi circles for her project work .she made it from a paper circle of radius 7 she decorated both semi circles with the lace on its boundaries find the length of the lace
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radius of semi circles: 7
so formula of semicircles= ^r+d
22÷7×7+14= 36 +36 =72
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Answer:
radius of semi circle=7
So formula of semi circle=r+d
=22÷7×7+14
=36+36
=72cm
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