Trigonometry

Triangle area from three sides

Triangle area from three sides is a trigonometric quantity relating angles to side ratios or circle coordinates.

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S = √(p(p−a)(p−b)(p−c))

What it means

Triangle area from three sides is a trigonometric quantity relating angles to side ratios or circle coordinates.

How it works and where it is used

Use this calculation for surveying and calculating unknown triangle sides and angles.