How it Works
1. Enter Side A and Side B. 2. Tool calculates c = √(a² + b²).
What is Pythagorean Theorem Calculator?
Solves a² + b² = c².
Example
Input: 3, 4
Result: 5
FAQ
What is the hypotenuse?
The longest side, opposite the right angle.
Only for right triangles?
Yes, strictly for 90-degree triangles.
3-4-5 rule?
A common Pythagorean triple ensuring a perfect right angle.
Can I find a leg?
Yes, c² - a² = b².
Construction use?
Used to square corners in framing.