Question

find the cost of polishing a circular table of diameter 1.2m,if the rate of polishing is rs 15 per square meter​

Answer 1

Answer:

radius = 0.6

$area \:of \: circular \: table = \pi {r}^{2}$

= 22/7 × 0.6 ×0.6

= 7.92/7

= 1.13 approx

cost of polishing = 15×1.13

= Rs15 approx