Math, asked by VIVEK8820, 1 year ago

A pipe of diameter 56 cm is 20 m. long. Find the cost of painting of the surface of this pipe at the rate of rs 15 puer m2

Answers

Answered by LakshmiKanth71

1

d = 56cm= 0 .56m
r = 0.28m
h = 20m

CSA = 2 Pi 10th
= 2×(22÷7)×0.28×20
=35.2 sq.m
total cost =35.2 ×15= Rs 528

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