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Height of a cone is 40cm. Slant height is 41cm.a. Find diameter of its base,b. Find volume |
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Answer» a. r2 + I2 - h2 r2 = 412 - 402 = 81 r = 9 Diameter = 18 cm b. Volume = \(\frac{1}{3}\pi r^2h=\frac{1}{3}\pi\times9^2\times40\) = 3394.3 cm3 |
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