R, S, and T are the vertices of one triangle. E, F, and D are the vertices of another triangle. m

Question

Mathematics

Gregory Kidd

5 February, 14:45

R, S, and T are the vertices of one triangle. E, F, and D are the vertices of another triangle. m

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Kiana Patrick · Answer 1

The two triangles in the problem are congruent to each other. Angle-Side-Angle is the postulate that supports the congruence. The remaining angle which is 80° was determined. Therefore the congruent angles are 60° and 80° while the congruent side is equal to 4.