Question

Find the area of four walls of a room which is 7m long 6.5m wide and 4m height

Answer 1

area of four walls = 2(l+b)h
= 2(7+6.5)4
=8×13.5
=108

Answer 2

Answer:

108cm²

Step-by-step explanation:

l=7cm

b=6.5cm

h=4cm

area of 4 walls=2(l+b)h

=2(7+6.5)4cm²

=2(13.5)4cm²

=8(13.5)cm²

=108cm²

therefore,

area of four walls=108cm²