Question

There are four circular window in nisha house each of radius 28 cm are to be fixed with glass calculate the cost of glass at the rate of 4.25 rupees

Answer 1

Answer:

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

Step-by-step explanation:

Hope it helps you