Math, asked by mohammadfowzan2, 8 months ago

Find the cost of polishing a circular tabletop of
diameter 2.8 m, if the rate of polishing is 7100/m2.​

Answers

Answered by SUZEM
1

Answer:

Area of a circle

A = πr² [r = 2.8/2 = 1.4]

= 3.14 x 1.4²

= 6.1544m²

Therefore, if 1m² costs ₹7,100

6.1544m² costs ₹7,100 x 6.1544

= ₹43,696.24

Therefore, cost of polishing a circular tabletop of

diameter 2.8 m is ₹43,696.24.

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