Pythagorean Theorem Calculator › Legs 5 and 12
Hypotenuse of 5 and 12
Hypotenuse = 13
For a right triangle with legs 5 and 12, the hypotenuse c satisfies a² + b² = c²:
5² + 12² = 25 + 144 = 169, so c = √169 = 13.
Other triangles with leg 5
5 & 1 · 5 & 2 · 5 & 3 · 5 & 4 · 5 & 5 · 5 & 6 · 5 & 7 · 5 & 8 · 5 & 9 · 5 & 10 · 5 & 11
Frequently asked questions
What is the hypotenuse of a triangle with legs 5 and 12?
It is exactly 13. Using a² + b² = c²: 5² + 12² = 169, and √169 = 13.
Is 5, 12, 13 a Pythagorean triple?
Yes. 5, 12, and 13 are all whole numbers satisfying 5² + 12² = 13², so they form a Pythagorean triple.