Triangle congruence criterion
Triangle congruence criterion
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Pick the correct triangle congruence criterion.
Blue marks the sides or angles that are known to be congruent in both triangles.
What does this generator do?
The generator displays two congruent triangles with marked congruent elements (3 sides; 2 sides + vertex; 2 angles + side; 2 sides + angle opposite the longer one).
The rules
**SSS** — all three sides are congruent. **SAS** — two sides and the included angle. **ASA** — two pairs of congruent angles and the included side. **SsA** — two sides and the angle opposite the longer side. Note — plain "SSA" (angle opposite the shorter side) is not enough.
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