The outer diameter of a drainage water pipe is 1.4m and it is 35m long. Find
the cost of painting its outer surface at the rate of Rs. 1.50 per sq.m.
koi bata do
Answers
Answered by
0
Answer:
Rs 231.
r=d/2=1.4/2=0.7m
h=35m
pie=22/7
2*pie*r*h=22/7 *35*0.7*2=154
cost=area *rate=154*1.5=Rs231
Similar questions