Question

a hall is 150 m long and 25 m wide. If it's height is 6 m find the area of the four wall of the room​

Answer 1

Answer:

Step-by-step explanation:

Area of four walls=2(l+b)h

=>2(150+25)×6

=>2×175×6

=>2100cm^2

Answer 2

Answer:

2100m^2

Step-by-step explanation:

=2×(length×height)+2×(breadth×height)

=2×(150×6)+2×(25×6)

=2×900+2×150

=1800+300

=2100m^2