find the area of four walls of a room which is 12m long 8 metre wide and 3.5 M height
Answers
Answered by
3
Step-by-step explanation:
l = 12m
b = 8m
h = 3.5m
lateral surface area of a cuboid (area of 4 walls) 2(l+b)xh
= 2 x (12 + 8) x 3.5
= 40 x 3.5
= 140m²
Answered by
2
Answer:
Area = 140m²
Step-by-step explanation:
Length = 12m
Breadth = 8m
Height = 3.5m
Area of 4 walls = 2h(l + b)
=2 x 3.5 (12+8)
= 7 x 20
Area of 4 walls = 140m²
The area of the 4 walls is 140m².
Similar questions