Question

The floor of a room is rectangular in shape. Its
length is 8 m and breadth 7 m. Height of the room is
4 m. Find the area of the four walls of the room-​

Answer 1

Area is equal to length multiplied by breadth multiplied by volume so 7*8*4=*4

Answer 2

Step-by-step explanation:

Lateral surface area of cuboid = 2 (l + b) x h

2 ( 8 + 7 ) x 4 = 16 + 14 x 4 = 30 x 4 = 120cm