Answer:
A. 9, 12, 15
Step-by-step explanation:
9, 12, 15 is a set of numbers that form pythagorean triple because it satisfies the equation, a² + b² = c².
Where, c is the longest side while a and c are the two other legs of the triangle.
Thus:
9² + 12² = 15²
225 = 225 (this is true).
