Question

20. The length, breadth and heigth of my rectangular room is m, mand
The areas of the 4 walls of my room inculding the doors and windows is sqm​

Answer 1

Answer:

Step-by-step explanation:

area to be painted= area of four walls +area of roof

= 2h(l+b) + lb

= 2*3(10+6)+10*6

= 6(16)+60

= 96+60

=156m2

the area of window and doors=6m2