Math, asked by skrajkiller07, 4 months ago

A circular tunnel of diameter 3 metre and length 3.5 km is dug out. Find the cost of plastering it at Rs 150 per 100 m².

Answers

Answered by arnavmaurya07m

0

I hope it's help you

Arnav is here

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Answered by athulkrishna2206

0

Answer:

Step-by-step explanation:

diameter of circular tunnel - 3m

radius is 1.5

length of circular tunnel - 3.5 = 3500

csa of a cylinder = 2πrh

2*22/7*1.5*3500 = 33000 msquare

Total cost of plastering =(33000*150)/100

total cost of plastering = 49500

hope you get the answer and please make me brainliest!!!

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