Answer :
Let "c" be the hypotenuse
By the Pythagorean theorem:
c² = 5² + 12² = 25 + 144 = 169
с = √169 = 13 units ← answer
By the Pythagorean theorem:
c² = 5² + 12² = 25 + 144 = 169
с = √169 = 13 units ← answer