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It is required to make a closed cylinderical tank of height 1 m and base diameter 140 cm from metal sheet how many square meters of the sheet are required for the same

Posted by Chhaya Thakur 4 years, 4 months ago

CBSE > Pre-School > Mathematics

1 answers

Yogita Ingle 4 years, 4 months ago

Let r be the radius of the base and h be the height of the cylinder.
Base diameter = 140 cm and Height (h) = 1m
Radius of base (r) = 140/2 = 70 cm = 0.7 m
Metal sheet required to make a closed cylindrical tank = 2πr(h + r)
= (2 × 22/7 × 0.7) (1 + 0.7) m²
=7.48 m²

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