The width of the bedroom floor is 5m less than it's length and it's area is 84 m². Find the exact length of the room?

g

step-by-step explanation:

sine

step-by-step explanation:

is there any photos or whatever?

answer: (c) m∠qpo + (2x + 16)° = 180°

step-by-step explanation:

the opposite angles of a quadrilateral are supplementary.

so, ∠o + ∠q = 180°   and   ∠p + ∠r = 180°

since ∠r = 2x + 16°, we can use substitution as follows:

∠p + ∠r = 180°

∠p + (2x + 16)° = 180°