Question

the perimeter of the floor of a hall is 250m. if the height is 4 metre find the cost of painting the four walls at rupees 12 per square metre​

Answer 1

Answer:

Step-by-step explanation:

height of rectangular =4m Perimeter =250m We know that Perimeter of rectangle=2(l+b) 250=2(l+b) Area of four walls =2(l+b)h We know the value of 2(l+b) Area of four wall=250*4 Area of four wall =1000m^2 Cost of painting =rate *area Cost of painting four walls12000