Triangle Calculator
Calculate sides, angles, area, and perimeter of triangles. Supports right, isosceles, equilateral, and scalene triangles.
Input Mode
Calculate a triangle from 3 side lengths.
How to Use
Enter Values
Enter known values like sides and angles
Calculate
Remaining values are calculated
View Result
Check all sides, angles, and area
Features
Various Input Patterns
Calculate from SSS, SAS, ASA, AAS and more
Area & Perimeter
Auto-calculate area (Heron formula) and perimeter
Diagram
Display triangle diagram based on results
FAQ
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