Question

Find the cost of polishing a circular table top of diameter 1.6 m if the rate of polishing is 15 m2

Answer 1

Answer:

Step-by-step explanation:

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Answer 2

Given :

1. Diameter = 1.6 m.
2. Rate of polishing per 1m = ₹15.

　

To find :

• Find the cost of polishing a circular table top.

　

Using formula :

★ Area of circular table top = πr².

　

Calculations :

→ 3.14 × 0.8 × 0.8

→ 2.0096 m²

　

→ 2.0096 × 15

→ 30.1440

　

Therefore, the cost of polishing a circular table top is for rupees 30.1440.