Question

A conical tent of radius 7 m and height 24 m is to be made. Find the cost of the 5 m wide cloth required at the rate of Rs. 50 per metre.​

Answer 1

Answer:

Step-by-step explanation:

Given radius And height= 7m and 24m

C.S.A=πrl

Let xm of cloth is required C.S.A =Area of cloth

x= 110m

Cost of cloth

110×50=5500

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Answer 2

Given:

• Radius or conical Tent = 7m.
• Height = 24m.
• Width of cloth = 5m.
• Rate of Cloth = Rs.50/m (in Length).

To find:

• Total Cost of cloth ?

Solution:

Putting values in formula we get :-

→ slant height of conical tent = √(7² + 24²) = √(49 + 576) = √(625) = 25m.

So ,

→ CSA of conical Tent = (22/7) * 7 * 25 = 550m².

_________________

Now,

→ Area of cloth = 550m².

→ width of cloth = 5m.

→ Length of cloth = (Area/Width) = (550/5) = 110m.

_________________

Therefore,

→ cost of 1m cloth in Length = Rs.50

→ cost of 110m cloth in Length = 50 * 110 = Rs.5500 (Ans.)

Hence, Total Cost on Cloth was Rs.5500.

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