The slant height and base diameter of a conical tomb are 20 mand 14 m respectively. Find the cost of whitewashing
its curved surface at the rate of Rs.210 per 100 metre square.
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Answer:
Rs. 924
Step-by-step explanation:
CSA = πrl
22/7×7×20
440m²
100m²= Rs. 210
1m² = Rs. 210/100
1m² = Rs. 2.1
Cost of Whitewashing:
=440×2.1
=924
Therefore, Cost of Whitewashing it's curved surface are is Rs. 924
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