the radius of the base of a cylinder is 20 cm and its height is 13 cm find its curved surface area?
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3
radius=20cm
height=13cm
c.s.a of cylinder=2πrh
2^22/7^20^13
44^20^13/7
44^260/7
11440/7=1634.2cm^2
Answered by
1
3.14 ×2×20×13= 1632.8
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