Question

The length of a room is double its breadth. Its height is 3m. The area of four walls excluding a door of dimension 4m x 2m is 100 meter square. Find its volume

Answer 1

breadth=x
L=2x
H=3

Answer 2

Area of 4 walls -4*2 =100
Area of 4 walls = 108
2 (L*H + breadth *H) = 108
2 (6x+3x)=108
can you find 'x' now ?

Answer 3

also, did you get those steps ?
need any explanation of any step ?

Answer 4

how 108 cmes

Answer 5

wait i got it

Answer 6

now, volume =

Answer 7

area of four walls excluding a door of dimension 4m x 2m
= Area -4*2
is 100 meter square. =100
ok

Answer 8

volume = L*H*breadth = x*2x* 3

Answer 9

x=6

Answer 10

6*12*3=216

Answer 11

yes, thats what i also get.

Answer 12

@hartnn
thank u so much