Hypotenuse= 9/sin 60=10.39 ft.
the length of the support AB is 10.39 ft.
Answer:

Step-by-step explanation:
The point-slope formula is
where we substitute a point (x,y) for
.
We have m=3 and (-1, 2). We input m and
.

Ok? Whats the rest of the question lol
Answer:
31750
Step-by-step explanation: