From a solid cylinder of height 36 cm and radius 14 cm a conical cavity of radius 7 cm and height 24 cm is drilled out find the volume and the total surface area of remaining solid
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tsa of solid=csa of cylinder+csa of cone + base area of cylinder
ans:4334 sq units
ans:4334 sq units
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Answer:
Step-by-step explanation:
Volume of cylinder = π r.r .h
= 22/7×14×14×36
= 22×28×36
22176 cm^3
Volume of a cone = 1/3πr^2h
= 1/3 × 22/7 × 7×7×24
=1232cm^3
Area of remaining solid = 22176 - 1232
= 20944 cm^3
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