Question

The length of a hall is 20 m and width 16 m. The sum of the areas of the floor and the flat roof is equal to the sum of the areas of the four walls. Find the height of the hall.

Answer 1

Answer:

h=80/9m

Step-by-step explanation:

2lb=2(l+b)×h

2×320=2(20+16)×h

640 = 72h

640/72 =h

80/9m =h

Answer 2

Answer:

h=80/9m

2lb=2(l+b)×h

2×320=2(20+16)×h

640 = 72h

640/72 =h

80/9m =h