Mathematics
Triangle Solver – Tutorial
On this page, you can find the logic, usage, and important details of the Triangle Solver calculator.
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Summary
With the triangle solver, you can calculate all sides, angles, area, and perimeter of a triangle from your given data (3 sides, 2 sides + included angle, 2 angles + included side, or 2 angles + 1 side). Cosine and sine rules are used in every solution, and warnings are shown for invalid inputs.
Input Fields
Data type
Type: select
Side a (opposite to angle A)
Type: number
Example: E.g.: 5
Side b (opposite to angle B)
Type: number
Example: E.g.: 6
Side c (opposite to angle C)
Type: number
Example: E.g.: 7
Angle A (°)
Type: number
Example: E.g.: 40
Angle B (°)
Type: number
Example: E.g.: 60
Angle C (°)
Type: number
Example: E.g.: 80