The radius of a cylinder is 14 cm and height is 20 cm. then-
(i) Find curved surface area.
(ii) Find total surface area.
(iii) Find the volume.
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Answer:
Curved surface area..= 2.pi.r×h= 2×(22/7)×14×(20)=1760cm²
total surface area = curved surface area +cylindrical
upper circle area +down circle area
= 1760+ pi.r²+ pi.r²= 3272 cm².
total volume = pi.r².h= 880 cm³.
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