Question

given the total area of four wall is 216 sq.m .if the length of the room is twice the width and the height of the room is 3m find the width of the room.
ans fast and correctly for being brainlist answer​

Answer 1

Answer:

12cm.

Step-by-step explanation:

let the width = x

the length = 2x

A. T. Q.

area of four wall = total area of wall.

b X h X l = 216

2x X 3 X x = 216

2x sq. X 3 =216

2x sq. = 216/3

x sq. = 72

x sq. = 72 X 2

x = underroot 144

x = 12cm.