Geometry

Classifying Triangles Calculator

Name a triangle from three side lengths (equilateral, isosceles, scalene; acute/right/obtuse).

Classification

This free Classifying Triangles Calculator covers Name a triangle from three side lengths (equilateral, isosceles, scalene; acute/right/obtuse).

Compare sides for equality; compare a²+b² with c² for the angle type. Other geometry tools are linked below.

Classifying Triangles Calculator — how it works

Name a triangle from three side lengths (equilateral, isosceles, scalene; acute/right/obtuse). Typical inputs are a, b and c. How it works beside the form states the identity the Classifying Triangles Calculator applies.

FAQ

How do I use the Classifying Triangles Calculator?

Open the Classifying Triangles Calculator, fill a, b and c, and read the result. Compare sides for equality; compare a²+b² with c² for the angle type.

What formula does the Classifying Triangles Calculator use?

The Classifying Triangles Calculator uses the identity in How it works. In words: Compare sides for equality; compare a²+b² with c² for the angle type.

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