The slant height and the diameter of a conical tent are 25 m and 14 m respectively. Calculate the cost of the canvas used at Rs 15 per sq. m.

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Solution

Diameter of the conical tent = 14 m

∴ Radius of the tent (r) = 7 m

Slant height of the tent (l) = 25 m

Total surface area of the tent

Cost of 1 m² canvas = Rs 15

∴ Cost of 550 m² canvas

Thus, the cost of the canvas used in the conical tent is Rs 8250.

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