Question

find the cost of polishing a circular table top of diameter 2.8 metres if the rate polishing is $hundred /metre^2

Answer 1

Answer:

440 $

Step-by-step explanation:

Area of top of circular table=  πr^2

                                            =22/7*1.4*1.4

                                            =21.56 m^2

Cost of polishing= 21.56*100

                           = 2156 $