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A cylindrical candle has base radius …

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A cylindrical candle has base radius 3.5 cm . How high it must be made to hold 308 cm cube of wax?

Posted by Sundram Jha 5 years ago

CBSE > Class 08 > Mathematics

1 answers

Yogita Ingle 5 years ago

Volume of cylinder with radius r and height h is given by

V = πr²h

It is given that,a cylindrical candle has base radius 3.5

The volume of cylindrical candle = 308 cm cube

To find the height of candle

Volume of candle is given by

V = πr²h

308 = 3.14 x 3.5 x 3.5 x h

h = 8cm

Therefore the height of cylindrical candle= 8 cm

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