Question

The radius & height of cylinder are in the ratio 5:7 and its volume is 550cm.Find its radius .

Answer 1

❤❤❤hay.....❤❤❤
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let x is included in the ratio
so....
height = 7×
and radius= 5x
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now....
according to the question
volume of cylinder
= 22/7r^2 h
=> 550=22/7× 25x^2 × 7x
=> 550=22/7× 175 x^3
=> 175= 175x^3
=> 1 = x^3
=> x= 1

so.....
height and radius will be
7 cm and 5 cm
answer of the question
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