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WARM UP. LESSON 28: SAS TRIANGLE CONGRUENCE Geometry.

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Presentation on theme: "WARM UP. LESSON 28: SAS TRIANGLE CONGRUENCE Geometry."— Presentation transcript:

1 WARM UP

2 LESSON 28: SAS TRIANGLE CONGRUENCE Geometry

3 INCLUDED SIDES AND ANGLES Included angle : the angle formed by two adjacent sides of a polygon Included side : the common side of two consecutive angles of a polygon Side-Angle-Side (SAS) Triangle Congruence 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 by side-angle- side congruence.

4 EXAMPLE AB CD

5 Determine whether the pair of triangles is congruent by the SAS Postulate.

6 EXAMPLE

7 X Y W Z

8 A B C D E

9 HOMEWORK QUESTIONS

10 CORRECTING HOMEWORK Get your homework out so I can stamp it. If you do not have your homework complete, write your name on the board. Use red pen/pencil to correct. Trade with someone who has the homework done. If you didn’t get it done, you need to be working on finishing it now. Remember no cheating and no work = no credit. Make sure you write CB with your name or you will lose your citizenship points for today.

11 HOMEWORK 1 st and 2 nd hour: Lesson 28: A-D, 5, 9, 13, 14, 15, 17, 19, 20, 21, 22, 23, 24, 25, 26, 29, 30 3 rd hour: Lesson 28: A-D, 9, 13, 14, 15, 17, 20, 21, 23, 24, 26, 30


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