Question

plz ans in a sheet of paper ​

Answer 1

Answer:

hey mate. pls improve ur handwriting . It is ununderstandable

Answer 2

Answer

now...

d=2r

$T.S.A.=2\pi r(r + h) \\ = 2\pi ( \frac{d}{2})( \frac{d}{2} + h) \\ = \pi d( \frac{d + 2h}{2} )$

Hope this helps you....