Question

what will it cost pain the circular road of a building of radius 4.2m at rate of RS 25 per square meter​

Answer 1

Answer:

1360.50

Step-by-step explanation:

Find the area of the circular road using  πr^2

r = 4.2

22/7 for π

22/7 x 4.2 x 4.2 = 54.42 square m to 2 decimals

Cost = Area x cost per sq metre

54.42 x 25 = 1360.50