Question

The radius of the cylinder whose lateral surface area is 704 cm2 and height 8 cm, is

Answer 1

lateral surface area of cylinder : 2πrh
704=2*(22/7)*r*8
after solving this you get,
r=14cm
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Answer 2

2pi rh=lsa of cylinder
2*22/7*r*8=704
704*7=44*8r
4928/44=8r
112=8r
112/8=r
14=r

here is the fully solved answer....