Question

# The edge of a cube is 4 cm. The greatest sphere is cut out of the cube. The surface of the sphere will be ________________.

A
16πcm2
B
64πcm2
C
163πcm2
D
643πcm2

Solution

## The correct option is A $$16\pi\:cm^2$$We know that,The surface of the sphere =4πr2=4πr2r=42=2cmr=42=2cm<img>∴∴ Required surface of the sphere=4π×22=4π×4=16πcm2Physics

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