Geometry tool
Solve a triangle from any 3 valid inputs
Enter any three side/angle values, auto-fill the rest, and preview the solved triangle as vector geometry.
Triangle workspace
Triangle Properties
Enter exactly 3 values (must include at least 1 side). Additional attempts to type a 4th field are blocked.
Notes
Use this space for project notes before saving as PDF.
Disclaimer: Use calculations at your own risk. For critical applications, verify results against your governing standards/specifications.
How it solves
- Supports common triangle input patterns including
SSS,SAS,ASA/AAS, and practicalSSAcases. - Uses trigonometric laws to solve missing sides and angles, then renders a scaled vector preview.
- For ambiguous
SSAdata, the tool selects a valid principal solution and warns you.
FAQ
Why exactly three values?
Three valid measurements are the minimum needed to define a unique solvable triangle in most practical cases.
Can I enter more than three values?
This version is optimized for exactly three values to keep behavior deterministic and fast.