Plslslsllslslslslslalalalsllsls helpppppp

Answer:
You use the trigonometric ratio (see below for explanation & answer)
Step-by-step explanation:
[tex]tan(50)=\frac{630}{d}[/tex]
[tex]d=\frac{630}{tan(50)}[/tex]
[tex]d= 528.6[/tex]
So, 528.6 is your answer. Have a great day! Hope I helped!