2 hemispheres are joined to make a sphere surface area of each hemisphere is 60 find the surface area of - Maths - Solids

Question

2 hemispheres are joined to make a sphere surface area of each
hemisphere is 60 find the surface area of sphere

Rishabh Mittal · Accepted Answer

Dear Student,

Surface area of each hemisphere=603πr2=60πr2=20Surface area of sphere=4πr2=4×20=80 sq
 units

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2 hemispheres are joined to make a sphere.surface area of each hemisphere is 60.find the surface area of sphere.