Question

Find the cost of polishing a circular table-top of diameter 1.6 m, if the rate of polishing is

₹15/m2. Take = 3.14  ​

Answer 1

Answer:

30.14m

Step by Step Process:

Given diameter of table (circular) =1.6m

radius =0.8m

area of circle = πr

=3.14×0.64=2.0096m

Now rate of polishing per meter square =15Rs

Cost of polishing table top = 15×2.0096

cost = 30.14m