Answers

2016-04-01T06:47:14+05:30
CSA of hemisphere
=2Πradius*radius
= 2×22/7×7×7
=2×22×7
= 44×7
=308 square centimeters
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2016-04-01T08:14:37+05:30
Diameter = 14cm Radius = d/2 =>7cm C.S.A of hemisphere = 2πr×r =>2×22/7×49 =>308 cm
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