Answer:
xsin∅
Step-by-step explanation:
If the ladder is <em>x foot long</em>, and it can safely make a <em>maximum angle ∅</em> with the floor, then, the maximum height it can reach will be xsin∅
The missing side is 17 and rounded it is 20
I don’t know I really don’t know, I am very confused ahhhhhhh!