The answer is A. You add the extra 10 feet to however high the bird flew from there
Angle 1= 45
Angle 2= 76
Angle 3= 80
1/12
This is because she has a 1/6 chance of getting a 3 on the first try and then a 1/2 chance of getting an even on the second. Multiply these two together to get your answer.
You could say 84/2, 126/3, or even 168/4