Question

AN OPEN CYLINDRICAL VESSEL OF RADIUS 14M AND HEIGHT 3M IS MADE FROM A SHEET OF METAL . HOW MUCH SHEET OF METAL IS USED TO MAKE THE VESSEL ?

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Step-by-step explanation:

$r = 14m \\ h = 3m \\ sheet \: of \: metal \: used = csa \: of \: cylinder \\ = 2\pi rh \\ = 2 \times \frac{22}{7} \times 14 \times 3 \\ = 2 \times 22 \times 2 \times 3 \\ = 44 \times 6 \\ = 264 {m}^{2} \: ans:$

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