9. The slant height and base diameter of a conical tomb
are 25 m and 14 m respectively. Find the cost of
white-washing its curved surface at the rate of
₹210 per 100 m²
Answers
Answered by
2
Answer:
Therefore, it will cost Rs 1155 while white-washing such a conical tomb.
Step-by-step explanation:
Given:
l=25m, R=14/2
=7m,
⇒Curved surface area =πrl
=( 22/7 ×7×25)m ²
=550m ²
⇒Cost of white washing 100m²
area = Rs.210
⇒Cost of white washing 550m²
area = Rs. 210×550/100
= Rs.1155
Answered by
2
Answer:
Given:
r = 7m
h = 25m
C.S.A of conical tomb = (22/7×25×7)m
550m square
area of white wash = 550/100 m sq.
5.5m sq.
cost of white wash = 5.5×210
1155 rupee
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