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A rectangular sheet of metal foil with dimension 66 cm × 12 cm is rolled to form a cylinder of height 12 cm. Find volume of cylinder

Posted by Sujal Shivale 6 years, 10 months ago

CBSE > Class 09 > Mathematics

1 answers

Gaurav Seth 6 years, 10 months ago

2 * 22/7 * r = 66

r = 66 * 7 / 44

r = 3 * 7 / 2

r = 21 / 2 cm

Volume = pie * r * r * h

= 22 / 7 * 21 / 2 * 21 / 2 * 12

= 4158 cm³

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