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The elevation angle of the peak is 60 °....

The elevation angle of the peak is 60 °. Find the height of the tower. (C) A solid is in the form of a cylinder, which has semi-spheres at both ends. Total height of concrete 19 Is cm and diameter of cylinder is 7 cm. Find the volume and total surface area of the solid. (D) Find the mean of daily income from the following frequency distribution.

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