Question

find the cost of polishing a circular table top of diameter 2.1 M if the rate of policy is rupees 10 per metre square

Answer 1

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 = 2.1m. Hence, r = 1.05 m

Area = π r^2

= 3.14 × 1.05^2 = 3.46185 sq m

Cost of polishing = Rate × Area

= Rs 10 × 2.0096 = Rs 34.6185

hope it helps..regards

Answer 2

Answer: 34.64 rupees

Step-by-step explanation:

area = pi x r x r

r = 1.05m

area = 3.463m²

3.463 x 10 = 34.64 rupees