Answer:
tan 72° = h/30
h = 30 tan 72°
h = 92.33
The ladder reaches a height of 92.33 ft.
I'm pretty sure the answer is A.
x = 2
Step-by-step explanation:
x + 3 = -x + 7
Add x to each side
x+x + 3 = -x+x + 7
2x+3 = 7
Subtract 3 from each side
2x = 7-3
2x = 4
Divide by 2
2x/2 = 4/2