Question

Find the cost of white-washing its curved surface at the rate of 210 per 100 m.
The slant height and base diameter of a conical tomb are 25 m and 14 m respectively.
18 is approximately 20 cm (Use t = 3.14).
6
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Answer 1

Answer:

Curved surface area of a cone =πrl, where r is

the radius of the cone and l is the slant height.

Radius of the tomb =2Diameter=7m

Hence, CSA of this conical tomb , 

=722×7×25=550  sq. m.

Cost of white washing the tomb at

Rs. 210 per 100m2=100210×550= Rs. 1155

Answer 2

Answer:

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