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Postulate 12 SSS Postulate
– If three sides of one triangle are congruent to
three sides of another triangle, then the triangles
are congruent.
A

L

R

B

C

– Name the congruence.

M
Postulate 13 SAS Postulate
– If two sides and the included angle of one triangle
are congruent to two sides and the included angle
of another triangle, then the triangles are
congruent.
Y

N

J

X

Z

– Name the congruence.

K
Postulate 14 ASA Postulate
– If two angles and the included side of one triangle
are congruent to two angles and the included side
of another triangle, then the triangles are
congruent.
F

O

T

A

R

– Name the congruence.

Y

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4 2 SSS, SAS, ASA Postulates

  • 1.
  • 2. Postulate 12 SSS Postulate – If three sides of one triangle are congruent to three sides of another triangle, then the triangles are congruent. A L R B C – Name the congruence. M
  • 3. Postulate 13 SAS Postulate – If two sides and the included angle of one triangle are congruent to two sides and the included angle of another triangle, then the triangles are congruent. Y N J X Z – Name the congruence. K
  • 4. Postulate 14 ASA Postulate – If two angles and the included side of one triangle are congruent to two angles and the included side of another triangle, then the triangles are congruent. F O T A R – Name the congruence. Y