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Which set of equal parts makes up the SAS congruence rule?

Class 9SAS, ASA and AAS CongruenceGeometry — Triangles
  • ATwo sides and the angle between them
  • BTwo angles and the side between them
  • CTwo sides and any angle
  • DAll three angles

Step-by-Step Solution

SAS: two sides and the INCLUDED angle of one triangle equal two sides and the included angle of the other. With a non-included angle (SSA) the rule fails.
Answer: A) Two sides and the angle between them

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