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A cubical block of side 7 …

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A cubical block of side 7 cm is surmounted by a hemisphere . what is the greatest diameter the hemisphere can have ? Find the surface area of the solid

Posted by Saloni Chaudhary 7 years ago

CBSE > Class 10 > Mathematics

1 answers

S Sihag Ji 7 years ago

The greatest diameter of the hemisphere = side of cubical block i .e.7cm Radii of hemisphere is =3.5cm Now , surface area of the solid = TSA of cubical block - base area of hemisphere +CSA of hemisphere = 6a^2-πr^2+2πr^2 = 6a^2+πr^2 sq. unit from this u can solve further

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CBSE > Class 10 > Mathematics