The slant height and altitude of a conical tomb are 15 m and 12 m respectively. Find the cost of white-washing its curved surface at the rate of Rs. 70 per m2.
Asked by Topperlearning User | 17th Oct, 2017, 09:56: AM
Altitude (h) = 12 m, slant height (l) =15 m. Let radius = r
Thus, r = 9 m.
Cost of white washing 1 m2 of canvas = Rs. 70
Therefore, cost of whitewashing = Rs. (×70)
= Rs. 29700
Answered by | 17th Oct, 2017, 11:56: AM
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