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What is the ratio of the base-radius and slant height of a cone made by rolling up a semicircle? |
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Answer» Radius of bigger circle = R Radius of smaller circle = r Radius of circular base of the pyramid = r = \(\frac{R}{2}\) Ratio between radius and slant height \(r\div R=\frac{R}{2}:R=\frac{1}{2}:1=1:2\) |
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