Question

the length, breadth and height of the room are 8m,5m and 3m respectively. if density of air is 1.29kg/m3. find the mass​

Answer 1

Answer:

8m +5m+3m=16m hshxgdgdhdhdhshsh

Answer 2

Explanation:

$volume \: of \: the \: room = length \times breadth \times height \\ = 8m \times 5m \times 3m = 120 {m}^{3} \\density = 1.29 {m}^{3} \\ mass = volume \times density \\ = 120m \times 1.29 = 154.8kg$

hope it helps you out