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  1. Congruent Triangles - Math is Fun

    Triangles are congruent when they have exactly the same three sides and exactly the same three angles. It means that one shape can become...

  2. Congruent Triangles - Math Open Reference

    Definition: Triangles are congruent when all corresponding sides and interior angles are congruent. The triangles will have the same shape and size, but one may be a mirror image of …

  3. Congruent Triangles – Definition, Properties, Proof, Examples

    Aug 3, 2023 · Congruent triangles are triangles having all three sides of exactly the same length and all three angles of exactly the same measure. Thus, congruent triangles are mirror image …

  4. Congruent Triangles Explained: Geometry Rules & Examples

    Sep 2, 2025 · Two triangles are congruent if they have the same size and shape, meaning all their sides and angles match—even if one triangle is flipped, turned, or slid on the plane.

  5. Congruent Triangles - Math Steps, Examples & Questions

    When two triangles are right-angled triangles and have the hypotenuse and one of the shorter sides the same, they are congruent triangles. The second triangle may be a rotation or a …

  6. Congruence in Triangles - Meaning, Properties, Congruent Triangles

    Two triangles are congruent if the six parts (3 sides and 3 angles) of one triangle are equal to the corresponding six parts of the other triangle.

  7. Congruence of Triangles | Definition, Facts, Examples & Quiz

    Congruent triangles are identical in both size and shape. Similar triangles have the same shape but different sizes - their corresponding angles are equal, and their sides are proportional.

  8. Congruent Triangles - CK-12 Foundation

    Jan 1, 2026 · If two triangles are congruent, they will have exactly the same three sides and exactly the same three angles. In other words, two triangles are congruent if you can turn, flip, …

  9. Congruence of Triangles - Definition, Rules & Examples

    When we say two triangles are congruent, we mean all three sides and all three angles of one triangle are exactly equal to the corresponding parts of the other.

  10. Understanding Congruent Triangles in Geometry - UniversalClass

    Two triangles are congruent if two sides and the angle between them are the same for both triangles. We can demonstrate this congruence condition with a little more ease.