Math, asked by vijayhirejagnervh, 11 months ago

21)
Find the cost of painting 15 cylindrical pillars of a building at 2.50 per square
metre if the diameter and height of each pillar are 48 cm and 7 metres
respectively.

Answers

Answered by pratikkambire1

4

curved surface area of *cylinder*** = 2πrh

= 2 x 22/7 x 24 x 7

= 2 x 22 x 24

= 1056 cm²

cost of painting 15 *pillers*** = 1056 x 2.50 x

15

= ₹. 39600

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