find the cost of polishing the floor of a square hall at the rate of Rs 15 per metre square,if each side of tha hall is 12.5.
Answers
Answered by
2
To calculate the cost of polishing of circular table, we have to calculate its area first of all.Here, Given diameter of the circular table-top = 1.6 m. Hence, r = 0.8 m
Area = π r2
= 3.14 × 0.8 × 0.8 = 2.0096 sq m
Cost of polishing = Rate × Area
= Rs 15 × 2.0096 = Rs 30.144
Answered by
3
30.144 is the answer
Similar questions