Question

find the cost of polishing a circular table top of diameter 14m if the rate of polishing is 15m2.

Answer 1

Answer:

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Answer 2

Answer:

Step-by-step explanation:

Given diameter of table (circular) =14m

radius =7m

area of circle = πr ^2  =3.14×14=43.96m^2

 

Now rate of polishing per meter square =15Rs

Cost of polishing table top = 15×43.96

cost = 659.4 rupees m^2

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