Question

if the radiush of a cylinder is halved and height is doubled then what be its curved surface area​

Answer 1

Answer:

Given : r of cylinders halved = r/2

h of cylinder is doubled = 2h

CSA = ?

CSA of cylinder is doubled = 2πrh

= 2 (r/2) π2h

= 2 πrh.sq.units

Step-by-step explanation:

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