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6. What else must you know to prove the triangles congruent by SAS?

 Dec 4, 2017
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b) ACD=CAB ; AD=BC
*You can also use reflexive property for segment AC*

For ASA we have one side common and one angle given equal so we need one more angle which includes that side.
                           BUT
For SAS we already have 1 side and 1 angle..what we need is one more side including that angle! 
So, the answer is B. ACD=CAB ; AD=BC

 Dec 4, 2017
edited by killersteve27  Dec 4, 2017
edited by killersteve27  Dec 4, 2017

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