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Congruence & similarity formulas
6 formulas for Congruence & similarity, 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 |
|---|---|---|
| Congruence rules | SSS, SAS, ASA, AAS, RHS | |
| Similarity rules | AA, SSS, SAS | |
| Similar triangles — sides | a₁/a₂ = b₁/b₂ = c₁/c₂ = k 🧮 Solve step by step | |
| Similar triangles — areas | Area₁/Area₂ = k² | |
| Similar solids — volumes | V₁/V₂ = k³ 🧮 Solve step by step | |
| Basic proportionality (Thales) | DE ∥ BC ⇒ AD/DB = AE/EC |
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