Question

A hall is 15m long 9m wide and 8m high, and then the amount of air occupied by the hall is​

Answer 1

15 × 9 × 8 = 1080 m^3 ✔✔

So, the amount of air occupied by the Hall is 1080 m^3

Answer 2

Step-by-step explanation:

Area of floor + Area of ceiling =Area of four walls

⇒lb+lb=2×h×(l+b), where l, b, h are the length breadth and height of the hall

⇒lb=h×(l+b)

⇒15m×12m=h×(15m+12m)

⇒h=

27

15×12

m=

3

20

m

∴ Volume of the hall =l×b×h=15m×12m×

3

20

m=1200m

3