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Math
Triangle Calculator
Solve any triangle given sides and angles. Supports SSS, SAS, ASA, AAS, and right triangles.
How to Use This Triangle Calculator
- Select the triangle type (SSS, SAS, ASA, AAS, or Right Triangle).
- Enter the known values.
- Click Calculate to see all sides, angles, perimeter, and area.
Frequently Asked Questions
What formulas are used?
The calculator uses the law of cosines, law of sines, and the Pythagorean theorem depending on the input mode.
Can it detect impossible triangles?
Yes. If the input values cannot form a valid triangle, an error message is shown.