Question

find the total area of four walls in a rectangle room
length=4m
breadth=3m
height=2.5

Answer 1

Answer:

35sq.m

Step-by-step explanation:

2h(l+b)

=2*2.5*(4+3)

=5*7

=35sq.m

Answer 2

Answer: 35m^2

Step-by-step explanation:Area of four wall =CSA of rectangle

CSA of rectangle=2h(l+b)

length=4m

Height=2.5m

Breadth=3m

2h(l+b)

2×2.5m(4m+3m)

5.0m×7m

50m×7m÷10

350÷10

35 m^2

Therefore your answer is 35 metresquare