Question

the area of four walls of a room is 57.4 CM square if the room is 5 cm long and 3.2 metre wide find the height of the room​

Answer 1

Answer:

according to question :-

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

57.4 = 2(5+3.2)h

57.4 = 2*8.2 * h

57.4 = 16.4h

57.4/16.4 = h

3.5 cm = h

hope you understand plz thank my answer