Question

the area of a base of a right circular cylinder is 154cm² and it's height is 8cm find the CSA of an cylinder
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Answer 1

Answer:

Area of base of cylinder=154cm^2

Area =πr^2

154=22/7×r^2

154×7/22=r^2

49=r^2

(7)^2=r^2

r=7

Radius=7cm

Height=8cm

CSA of cylinder= 2πrh

= 2×22/7×7×8=352cm^2

Step-by-step explanation:

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