Question

Find the cost of polishing a circular table top of diameter 1.6m,if the rate of polishing is 15/m2 (take π=3.14)

Answer 1

Answers:-

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Answer 2

Answer:

Diameter = 1.6 m

∴ Radius = 1.62 = 0.8 m

Area of the table-top = πr square

= 3.14 × 0.8 × 0.8 m square

= 2.0096 m square

∴ Cost of polishing = ₹ 15 × 2.0096

= ₹ 30.14 (approx.)

Explanation:

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