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The base area of a cone is 38.5 cm . Its volume is 77 cm. Find its height |
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Answer» Base area =πr² = 38.5 cm² Volume = (1/3)πr²×h = 77 cm³ so, 77 = (1/3)×38.5×h ⇒h = (77×3)/38.5 = 6 cm |
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