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Mathematics, 04.08.2020 01:01 2xLaFlare

7. The radius of a cylinder whose curved surface area is 2640 2 and height 21 cm is . (a) 100 ° (b) 50° (c) 80° (d) 90°

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7. The radius of a cylinder whose curved surface area is 2640 2 and height 21 cm is . (a) 100 ° (b)...
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