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Congruent Triangles

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  • (0:01) What are Congruent Triangles?: Triangles that have the same size and shape, meaning that they have identical side lengths and angle measures.
  • (0:55) Side-Side-Side (SSS) Rule: If all three sides of two triangles are equal, the triangles are congruent.
  • (1:28) Side-Angle-Side (SAS) Rule: Two triangles are congruent if they share two equal sides and the angle between them.
  • (1:54) Angle-Side-Angle (ASA) Rule: Two triangles are congruent if they share two equal angles and the side between them.
  • (2:24) Right-Angle-Hypotenuse-Side (RHS) Rule: For right-angled triangles, if the hypotenuse and one other side are equal, the triangles are congruent.

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