nipesh1979 nipesh1979
  • 23-02-2021
  • Mathematics
contestada


The area of the four walls of a room is 156 m2. The breadth and height of the room are 8 m and 6 m
respectively. Find the length of the room.​

Respuesta :

jawhuss78 jawhuss78
  • 23-02-2021
Given: Lateral Surface area=156m
Breadth=8m height=6m
⇒ L.S.A=2(bh+lh)=2(l+b)h
⇒156=2(l+8)h
⇒156=2(l+8)×6
⇒l+8=
12
156
​
=13
∴l=13−8=5m
Hence, length of the room=5m
Answer Link

Otras preguntas

There are 150 trees in the park. Elm trees represent 40% of the trees in the park. How many elm trees are in the park?
Evaluate 3a+15+bc−6, when a=7, b=3, and c=15. Enter your answer in the box.
HELP PLS PLS PLS PLS
What are two ways flowing water can cause an erosion
I need an answer ASAP due in 5 minutes Which two statements describe what happens to energy during cellular respiration? O A. Some chemical energy is transform
In WWI, which event allowed Germany to send most of its forces to the Western Front? *
[tex] \frac{ \sqrt{ 4} }{3 \sqrt{25} } [/tex]​
will give brainlest if correct
WILL GIVE BRAIN PLEASE HELP In three to ten sentences: Describe how to add artwork to a presentation. Describe how to manipulate artwork in a presentation.
Please help this is french please help anyone please