Skip to main content
Calkulon

Matematik

Pythagoras' Sætning

Variabelbeskrivelse

a= leg (short side)b= leg (other short side)c= hypotenuse (longest side, opposite 90°)

Find hypotenuse c

Given both legs a and b.

Find leg a or b

Given the hypotenuse and one leg.

Find a
Find b

Pythagorean triples

Integer right triangles (whole number sides).

3-4-5
5-12-13
8-15-17

Detaljeret guide kommer snart

Vi arbejder på en omfattende uddannelsesguide til Pythagoras' Sætning. Kom snart tilbage for trin-for-trin forklaringer, formler, eksempler fra virkeligheden og eksperttips.

💡

Pro Tip

When two sides have a ratio close to 3:4, check if the third side is 5× the GCD. This instantly confirms a 3-4-5 family triple.

Sværhedsgrad:Mellemliggende

Vidste du?

There are over 370 known proofs of the Pythagorean theorem — more than any other theorem in mathematics. One was written by US President James Garfield in 1876.

Mathematically verified
Reviewed May 2026
Used 51K+ times
Our methodology
🔒
100% Gratis
Ingen registrering
Præcis
Verificerede formler
Øjeblikkelig
Resultater med det samme
📱
Mobilvenlig
Alle enheder

Indstillinger

PrivatlivVilkårOm© 2026 Calkulon