Answer:
its (b^2+a^2) (x^2+y^2)
coordinates are (8,10)
Step-by-step explanation:
just type the values in your google
C?
Use pythagorean theorem.
5^2 + b^2 = 12^2
25 + b^2 = 144
b^2 = 119
b ≈ 10.9 feet