from a solid cylinder whose height is 3.5 cm and radius 2.8 CM a hemispherical cavity of the same thing is hello find the total surface area of the remaining solid
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from a solid cylinder whose height is 3.5 cm and radius 2.8 CM a hemispherical cavity of the same thing is hello find the total surface area of the remaining solid
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Volume of cube =(side)^3
According to question, =side= 64
(Side)^3 = 4 cm
For the resulting cubiod, length = 4 + 4 = 8 cm, breadth = 4 cm and height = 4 cm
Surface area of resulting cuboid =2(lb+bh+hl)
= 2(8×4+4×4+4×h)
= 2 (32 + 16 + 32)
= 2×80=160 cm^2