GeometryTriangles

Pythagoras Theorem Checker

Test whether three sides form a right triangle.

Side a3

Side b4

Longest side c5

a² + b²

c²

Triangle type

Right-angled

Pythagoras — squares on the sidesa² + b²: 25

Click to start animation

Converse of Pythagoras theorem tells us the triangle type by comparing a² + b² with c².

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