Answer:
35 feet
Explanation:
Think of this as a right triangle with one leg 16 + 12 = 28
and the other leg 12 + 9 =21
The hypotenuse it the distance of the throw.
c² = a² + b²
c² = 28² + 21²
c² = 784 + 441
c² = 1,225
Take the square root of both sides
c = 35
35 feet