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An open cylindrical oil tank has diameter 14 m and height 9 m. If the inner side of the tank has to be painted all over, what will it cost at ₹ 40 per m² ?
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aman7863:
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same prblm i have plzz solve
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Answered by
8
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Answered by
4
Answer:
Step-by-step explajnation: CSA OF cylinder=2×pi×r×h
=2×22/7×7×9
=396
Area of base =pi×r×r
=22/7×7×7
=154
Cost =rs 40×(396+154)
= rs 22000
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