11.In a cylinder , if radius is doubled and height is halved, then CSA will be
a) Halved b) doubled c) same d) 4 times
Answers
Answered by
0
Answer:
4 time.................
Answered by
1
Answer:
It would be Same
Step-by-step explanation:
Curved surface area of cylinder is 2πrh.
Given, R=2r,H=2h
Therefore, curved surface area of the cylinder=2πRH
=2π(2r)(2h)
=2πrh
Similar questions