Question

How many metres of cloth,5m wide,will be required to make a conical tent, the radius of whose base is 7m and height is 24m?​

Answer 1

Answer:

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Given, r = 7 m

h = 24 m

∴ slant height l = √(r2 + h2) = √(49 + 576) = √625 = 25 m

CSA of the cone = πrll = 22/7 x 7 x 25 = 550 m2

Area of the cloth used = 550 m2

Given, width of the cloth = 5 m

Length of the cloth used = Area/Width = 550 / 5 = 110 m.

Answer 2

Refer to the attachment

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