Question

Find csa of a cylinder whose circumference is 44 cm and height 10 cm

Answer 1

The circumference of base of cylinder = 44 cm = 2πr

= 2 × 22/7 × r

= 44/7 × r

r = 44 × 7/44

r = 7cm

Now, height of cylinder,h = 10cm

radius of its base,r = 7cm

CSA of cylinder = 2πrh

= 2 × 22/7 × 7 × 10

= 440cm^2

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Answer 2

Step-by-step explanation:

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