Pythagorean Theorem
Free online pythagorean theorem. Solve a² + b² = c² with all variations. Accurate and easy to use.
Solution
3² + 4² = 5²
c = 5.0000
Step-by-step
1. c² = a² + b²
2. c² = 3² + 4²
3. c² = 9 + 16
4. c² = 25
5. c = √25
6. c = 5.0000
Area
6.0000
Perimeter
12.0000
Triangle inequality: ✓ Valid triangle
Right triangle: ✓ Yes
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