Answers

2016-02-07T23:33:47+05:30
TSA of solid hemisphere=3πr
=3×22÷7×7×7
=154×3
=462 sq. cm
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2016-02-07T23:33:51+05:30
Surface area of base = πr^2
= 7×7 22/7
= 154cm^2
CSA = 2πr^2
=2×22/7× 7×7
=308cm^2
TSA= 462cm^2
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