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Asked by Namrata Pandey

Mar 3, 2015

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

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

Answers(2)

Answer

Aditya Khandelwal

Member since

Given, r = 7 m

h = 24 m

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

CSA of the cone = πrl = 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.

Raghunath Reddy

Member since Apr 11, 2014

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.

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