Question

A wall of the room is of dimension 5m×4m it has a Window of dimension 1.5m×1m and a door of dimension 2.25m×1m .find the area of wall

Answer 1

Answer:

Step-by-step explanation:

Total dimension of wall=Area of wall of the room-Area of window-Area of door;

Area of rectangle/Square=length*width;

Area of wall=5*4=20 sq. m.;

Area of door=2.25*1=2.25 sq.m;

Area of Window=1.5*1=1.5 sq.m;

Total area of wall=20-2.25-1.5=16.25sq.m

Answer 2

Step-by-step explanation:

area of wall=20 m sq.

area of door=2.25 m sq.

area of window=1.5 m sq.

area of wall that is to be painted=20-2.25-1.5

= 16.25 m sq.

therefore, 16.25 m sq of the area of the wall is to be painted