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The ratio between the radius and slant height of a cone is 2 : 3. Find the central angle of the sector to make the cone. |
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Answer» Ratio between the radius and slant height 2 : 3 Area length of the sector is equal to \(\frac{2}{3}\) part of the circle perimeter. Central angle of the sector = 360 x \(\frac{2}{3}\) = 240° |
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