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Identifying types and proofs using theorems
Triangle congruence Identifying types and proofs using theorems
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(ASA) Angle-Side-Angle Congruence Postulate
If two angles and the included side of one triangle are congruent to two angles and the included side of a second triangle, then the triangles are congruent.
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Side-Angle-Side (SAS) Postulate
If two sides and the included angle of one triangle is congruent to two sides and the included angle of another triangle, then the two triangles are congruent. B A C X Y Z ) (
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Side-Side-Side (SSS) Postulate If the three sides of one triangle are congruent to the three sides of another triangle, then the two triangles are congruent. E D F A B C
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(AAS) Angle-Angle-Side Congruence Theorem
If two angles and a non- included side of one triangle are congruent to two angles and the corresponding non- included side of a second triangle, then the triangles are congruent.
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(HL) Hypotenuse - Leg Theorem
If the hypotenuse and a leg of a right Δ are to the hypotenuse and a leg of a second Δ, then the 2 Δs are . (HL) Hypotenuse - Leg Theorem
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