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Lines & angles formulas
5 formulas for Lines & angles, from the Geometry section of the Quantix formula library. Tap 🧮 next to a formula to solve it for any variable with step-by-step working.
| Name | Formula | Note |
|---|---|---|
| Angles on a straight line | sum = 180° | |
| Angles around a point | sum = 360° | |
| Vertically opposite angles | equal | |
| Parallel lines + transversal | corresponding = alternate interior angles; co-interior sum 180° | |
| Complementary / supplementary | sum 90° / sum 180° |
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