Question

Durga wants of polish a circular table top of diameter 2.8 meter.Find the cost of polishing if the rate of polishing is Rs. 25 per square meter

Answer 1

Answer:

154Rs

Step-by-step explanation:

diameter=2.8m

radius=d/2=2.8/2=1.4m

area of circular table top=πr²

=(22/7)*1.4*1.4=6.16m²

rate of polishing 1sq. meter= 25rs

rate of polishing 6.16 sq. meters= 6.16*25=154rs