Question

On the wall of school's prayer hall, in a circle of 70 cm radius, a picture of Nature is to be drawn, if the cost of drawing is Rs.5 per 100 sq cm, then ï¬nd the total cost.

Answer 1

Total area of square=3. 14×70*2=15386
15386/100=153. 86
therefore total cost =153. 86×5=769. 3/-