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A cone of slant height 25 …

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A cone of slant height 25 cm has a curved surface area 550cm square . find the height and volume of the cone.

Posted by Anil Kumar 9 years, 1 month ago

CBSE > Class 09 > Mathematics

1 answers

Rashmi Bajpayee 9 years, 1 month ago

π x r x 25 = 550

r = 550 x 7 /25 × 22 = 7 cm

Height = {(25)² - (7)²} = 24 cm

Volume = (1/3)πr²h

= (1/3) × (22/7) × 7 × 7 × 24

= 1232 cu. cm

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