Question

there are four circular window in Neha house , each of radius 28 cm are to be fitted with glass. Calculate the cost of glass at the rate of ₹4.25 per sq.m

Answer 1

Area of circle is pi(r^2)

so area of 1 window is 22/7*28*28

area=22*4*28=2464 cm^2

so total area of 4 windows is 2464*4= 9856 cm^2

So total cost is 9856/1000*4.25= RS.41.888 in meters because cost is given in meters

Answer 2

Answer:

this question solve very easily and ans became 41.9Rs.