Question

The area of afour walls of aroom is 150 sq.m .If the length of the room is twice its breadth and the height is 4 m find the area of the floor

Answer 1

Answer:

Step-by-step explanation:

CSA = 2(l+B )h

150 =2(l+B)h

75=(2b+B)h

75÷4=3b

18.7÷3 = 6.2 m=B

Length =2 breadth

L=2×6.2 =12.4