Math, asked by nandinipradhan, 1 year ago

four times the area of the curved surface of a cylinder is equal to 6 times the sum of the area of its bases. if it's hight is 12 CM, find its curved surface area

Answers

Answered by Anonymous
4

Answer:

603.42 sq.cm

Step-by-step explanation:

Curved Surface Area= 2πrh sq.cm

Area of the base = πr² sq.cm.

Sum area of the base= πr²+πr²= 2πr²sq.cm

A.T.Q

4(2πrh)= 6×2πr²

8πrh=12πr²

2h=3r

2×12=3r

r=8cm.

Curved Surface Area=2πrh

= 2×22/7×8×12

=4224/7

= 603.42 sq.cm


nandinipradhan: thank you very much
Anonymous: plz rate 5 stars for my hard work and also mark my answer as brainliest....
Answered by kingyash42
1

821.33

821.33Step-by-step explanation:

821.33Step-by-step explanation:this is the right answer

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