Question

12. The perimeter of the floor of a room is 176 m. If its height is 7.5 m, find the area of the four walls of the room. Also, find the cost of white washing at the rate of ₹250 per sq. metre

Answer 1

Answer:

refer the attachments...

hope it helps..

Answer 2

Answer:

7,744 sq m

Rs 1,936,000

Step-by-step explanation:

Perimeter of the room= 176 m

4s= 176

s= 176/4= 44m

Area of for walls of room= 4s^2= 4 × 44 × 44= 7,744 sq m

Cost of white washing 1 sq m= Rs 250

Cost of white washing 7744 sq m= Rs (250 × 7744) = Rs 1,936,000

Hope it helps ☺️