Question

Find the length of the room whose area of four walls is 395 meter square. The breadth and height of the room is 10 m and 5m respectively.

Answer 1

Answer:

Step-by-step explanation:

Answer 2

hey mate
here is your answer



Let dimensions of the room are

Length =l m

Breadth= 10m

Height= h =5 m

Given 

Area of four walls of the room =395m

2(l+b)h=395

2(l+10)*5=395

l+10=395/(2×5)

l+10=39.5

l=39.5-10

l=29.5m

Therefore

Length =l=29.5m



thanks
be brainly