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triangle congruence shortcuts
--definition flashcards
5
Mathematics
10th Grade
03/17/2015

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Cards

Term
SAS
Definition
side-angle-side postulate:If two sides and their included angle in one triangle are congruent to two sides and their included angle in another triangle, then the two triangles are congruent.
Term
ASA
Definition
angle-side-angle postulate: If two angles and their included side in one triangle are congruent to two angles and their included side in another triangle, then the two triangles are congruent.
Term
SSS
Definition
side-side-side (SSS) postulate: If the sides of one triangle are congruent to the sides of another triangle, then the two triangles are congruent.
Term
AAS (or SAA)
Definition
angle-angle-side (AAS) theorem: If two angles and a nonincluded side of one triangle are congruent to the corresponding angles and nonincluded side of another triangle, then the triangles are congruent.
Term
HL
Definition
hypotenuse-Leg (HL) theorem: If the hypotenuse and a leg of one right triangle are congruent to the hypotenuse and a leg of another right triangle, then the two triangles are congruent.
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