Pythagorean Theorem Calculator
Find a missing side of a right triangle (a²+b²=c²).
Input Data
Find hypotenuse or a leg.
A
B
Results
The missing side.
5
The formula used.
c = √(a²+b²) = √(3²+4²)
At a glance:c² = a² + b² for legs a,b and hypotenuse c. Complements triangle-area and distance-formula.
Formula
c = √(a² + b²).
a = √(c² − b²).
How to Use
- Pick a mode and enter the known sides.
- The tool returns the missing side.
Case Studies
a=3, b=4
c = 5.
FAQ
Only right triangles?
Yes — it is specific to right triangles.
Related Tools
References
Content review: Calculatorism Science Team. Results are for reference only; please refer to the relevant authorities for the official figures.