Trigonometry
Triangle angle from three sides
Triangle angle from three sides is a trigonometric quantity relating angles to side ratios or circle coordinates.
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C = arccos((a²+b²−c²)/(2ab))
- 01Given
- 02Calculation
- 03Answer
What it means
Triangle angle 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.