Math, asked by 825258, 1 year ago

There are 20 cylindrical pillars in a building each having a diameter of 50 cm and height 4 cm fine the cost of cleaning them at rs 14 per m square

Answers

Answered by answerbook
13
radius = 50÷2 = 25
Now CSA of cylinder =2×22/7×25×4
= 44/7×100
= 4400/7
multiplying it with the cost of cleaning
=4400×2
= 8800 rupee
plsease mark as brailiest
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