Question

find the area of 4 walls of a room whose length =20mt , breadth =15mt amd hight 10mt​

Answer 1

Step-by-step explanation:

lateral surface area= 2l( h+ b)

= 2×20(10+15)

= 40(25)

= 1000 m²

Answer 2

Answer:

Area of 4 wall = 2 L ( b + h)

A.T.Q

2×20 ( 10 + 15 (

40 ( 25)

1000 ..

this is your answer