CK-12 Geometry-Concepts

http://www.ck12.org Chapter 4. Triangles and Congruence

9.Given:Bis the midpoint ofDEandAC^6 ABEis a right angleProve: 4 ABE∼= 4 CBD

10.Given:DBis the angle bisector of^6 ADCAD∼=DCProve: 4 ABD∼= 4 CBD

For each pair of triangles, write what needs to be congruent in order for the triangles to be congruent by SAS. Then,
write the congruence statement for the triangles.

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