Question

find the area of four walls of a room where length 10 centimetres breath is 5 centimetres height 2 centimetres

Answer 1

length= 10 cm
breadth=5 cm
height= 2 cm


area for four walls= 2h(l+b)
=2*2(10+5)
=4(15)
=60 cm ²

Answer 2

Hi friend,

Length of the wall=10cm
Breadth of the wall=5cm
Height of the wall=2cm

We will apply CSA(Curved surface area) formula=

CSA of walls=2h(l+B)
= 2*2(10+5)
=2*20+10
=2*30
=60 cm^2

Hope it helps!!!!!