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MUST KNOW FLASHCARDS
SSS (Side Side Side) Postulate
State the postulate by which you know the
two triangles are congruent.
SAS (Side Angle Side) Postulate
State the postulate by which you know the
two triangles are congruent.
AAS (Angle Angle Side) Postulate
State the postulate by which you know the
two triangles are congruent.
ASA (Angle Side Angle) Postulate
State the postulate by which you know the
two triangles are congruent.
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Hypotenuse-Leg Theorem (HL)
State the theorem by which you know
these two triangles are congruent.
If the hypotenuse and a leg of a right
triangle are congruent to the hypotenuse
and a leg of another right triangle then
the triangles are congruent.
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Step 1: ∠𝑊 and ∠𝑌 are right angles
because of the definition of
perpendicular (remember the ⊥ symbol
means perpendicular)
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Step 2: ∠𝑊 ≅ ∠𝑌 because all right
angles are congruent