Answer: 15 units
Step-by-step explanation:
Since this is a right triangle, we will use the Pythagorean theorem. a and b are the legs, c id the hypotenuse. Here, we need to solve for the hypotenuse.
a² + b² = c²
9² + 12² = c²
81 + 144 = c²
225 = c²
[tex]\sqrt{225}[/tex] = c
15 = c
15 units.
