Find the cost of polishing a circular table-top of diameter 1.6 m, if
the rate of polishing is 15/m. (Take it=3.14)​

1 thought on “Find the cost of polishing a circular table-top of diameter 1.6 m, if<br />the rate of polishing is 15/m. (Take it=3.14)​”

1. Answer:

   area of a circle= pi*r*r

   radius of table=1.6/2

   =160(converted to cm)/2

   =80

   area of the table top=

   =3.14*80*80

   =20,096/100 (converting back to m)

   = 200.96

   cost of polishing =200.96*15

   =3,014.4

   hope it helps

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