Question

Find the cost of polishing a circular table top whose diameter is 1.6m and rate of polishing is Rs. 30per sq. m

Answer 1

We have to find the area for polishing a circular table.

Diameter of the table = 1.6m

Radius = 1.6/2m

            = 0.8m

            = 8/10m

Area of the circular table = 2$\pi$r

                                          = 2 x 22/7 x 8/10

                                          = 5.02$m^{2}$

Cost of polishing = Total area x The cost of polishing per $m^{2}$

=5.02 x 30

=150.6 rupees

=151 rupees (round of)

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Answer 2

Answer:

151

Step-by-step explanation:

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