4'4 Proving Congruence SSS and SAS 12208

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4.4 Proving Congruence SSS and SAS12/2/08

• Side-Side-Side Congruence
• If the sides of one triangle are congruent to the
  sides of a second triangle, then the triangles
  are congruent.
• ABBREVIATION SSS

F
B
A
C
E
D
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SSS on the Coordinate Plane

• Determine whether RTZ JKL for R (2 ,
  5), Z (1 , 1), T (5 , 2), L (-3 , 0), K (-7 ,
  1), and J (-4 , 4). Explain.

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• Use the Distance Formula to find the length of
  each side in the triangles.

Yes the triangles are congruent by SSS.
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Side-Angle-Side Congruence

• Side-Angle-Side Congruence
• 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.
• ABBREVIATION SAS

B
E
A
C
D
F
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Identify Congruent Triangles

• Determine which postulate can be used to prove
  that the triangles are congruent. If it is not
  possible to prove that they are congruent, write
  not possible.
• a. b.

Not Possible
SSS
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More Practice!!!

• Classwork S.G. 4.4
• Homework P. 4.4 and RTL 4.5