Question

the length of a hall is 20 and breadth is 16 m. the sum of the area of the floor and the flat roof is equal to the sum of the area of the four walls. find the height and volume of the hall.
please help me please ​

Answer 1

Answer:

8.89

Step-by-step explanation:

area of of roof and floor= lb+lb=2b

2(l+b)h=lb

(20+16)h=20×16

36h=320

h=320/36

=80/9=8.89