Math, asked by guhasaravanan860, 4 months ago

in a cylinder radius is doubled and height is halved then CSA WILL be

Answers

Answered by vidyabharathi23

2

Step-by-step explanation:

curved surface area of cylinder=2πrh

radius=2r height=h/2

then

$csa = 2 \times \frac{22}{7} \times 2r \times \frac{h}{2}$

CSA= 44rh/7 or 2πrh

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