Geometry
Pythagorean Leg
Missing leg from hypotenuse and one leg.
Formula
Formula
b = √c2 − a2
Variables
| Symbol | Definition | Type & range | Units | Role |
|---|---|---|---|---|
| c | hypotenuse | real number (ℝ) | — | input |
| a | known leg | real number (ℝ) | — | input |
Try it yourself
Interactive calculator
Worked examples
Example 1
Givenhypotenuse c = 13, leg a = 5
Result12
Example 2
Givenhypotenuse c = 10, leg a = 6
Result8