Question

The Length breadth and height of a room are 5 metre 4 metre and 3 metre respectively find the cost of whitewashing the walls of the home and the selling @ 7.50 per metre square

Answer 1

Answer:Breadth of a room= 4 metre

Length of a room=5 metre

Height of a room=3 metre

Surface Area= Area of roof+lateral surface are

Lb+2h[L+b]

5*4+2*3[5+4]

20+54

74metre square

Cost of White washing=Rs.7.50*74=Rs.555

Hope it helps you out.

Step-by-step explanation:

Answer 2

Answer:

refer to attachment......