AAS: In a triangle, if two angles and a side opposite one of them are congruent
to the corresponding angles and side in another triangle,
then the triangles are congruent.
1. Triangle ABC and triangle DEF. 1. Given.
2. / A = / D 2. Given.
3. / B = / E 3. Given
4. BC = EF 4. Given.
5. / C = / F 5. If two angles in a triangle equal the
corresponding angles in another
triangle, then the third angles are
6. Triangle ABC = triangle DEF. 6. ASA.
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