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

equal.

6. Triangle ABC = triangle DEF. 6. ASA.

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