# The hight of a right circular cylinder with lateral surface area 792 cm is 21 cm. find the diameter of its base

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by singhsainig

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by singhsainig

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l.s.a = 792 cm sq.

2*pi*r*h = 792

2*22/7*r*21 = 792

r = 792*1/2*7/22*1/21

=

r= 6 cm

diameter = 2r = 12 cm