This calculator also classifies your triangle based on sides and angles entered. Simply enter your sides and angles and press the Classify Triangle button">

# Triangle Solver and Classify Triangles Calculator

Enter 3 sides, 2 angles and 1 side, or 2 sides and the included angle below
 Side 1 Side 2 Side 3 Angle 1 Angle 2 Angle 3

### How does the Triangle Solver and Classify Triangles Calculator work?

Solves a triangle including area using the following solving methods
Side-Angle-Side (SAS) Side Angle Side
Angle-Side-Angle (ASA) Angle Side Angle
Side-Side-Angle (SSA) Side Angle Side
Side-Side-Side (SSS) Side Side Side
Area (A) is solved using Herons Formula
Law of Sines
Law of Cosines

Also classifies triangles based on sides and angles entered.
This calculator has 1 input.

### What 6 formulas are used for the Triangle Solver and Classify Triangles Calculator?

1. Acute Triangle = All angles < 90°
2. Right Triangle = One Angle = 90°
3. Obtuse Triangle = One angle > 90°
4. Equilateral Triangle = All sides equal
5. Isosceles Triangle = 2 sides equal
6. Scalene Triangle = No sides equal

For more math formulas, check out our Formula Dossier

### What 6 concepts are covered in the Triangle Solver and Classify Triangles Calculator?

angle
the figure formed by two rays, called the sides of the angle, sharing a common endpoint, called the vertex of the angle.
area
Number of square units covering the shape
heron
side
line segment joining two vertices in a polygon also known as an edge
triangle
a flat geometric figure that has three sides and three angles
triangle solver and classify triangles