Question

a rectangular room is 6m long 4.8 m wide and 3.5 m high find the inner surface area of the four walls

Answer 1

lateral surface area = 2h (l+b)
=2×3.5 (6+4.8)
=7 (10.8)
=75.6

Answer 2

Answer:

Here is your answer:

The area formula is 2h(l+b)

L=6m

B=4.8m

H=3.5m

=2×3.5(6+4.8)

=7×10.8

=75.6m2