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SAS congruence

Author:
Mathguru
SAS congruence Given triangle DEG with two sides and included angle. Move the sliders to adjust the sides AC=ED and BC=EG Also move point B to make angle C= angle E Now place triangle ABC over DEG.
Do the triangle overlap each other completely? If yes then triangles are congruent. So all the corresponding sides and angles of both triangles will be equal.