CK-12 Geometry - Second Edition

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

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

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

Determine if the two triangles are congruent, using the distance formula. Leave all of your answers in simplest
radical form (simplify all radicals, no decimals).

22.