Math, asked by palakshisingh159, 16 days ago

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 tomarsarthakbest
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

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