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Alexxx [7]
3 years ago
14

Prove angle 1 being congruent to angle 4 ​

Mathematics
1 answer:
Olenka [21]3 years ago
4 0

we know the two triangles are congruent because BD = BD. Also, AD = CD because it is bisecting AC. Since these triangles are congruent, we know that congruent parts of congruent triangles are congruent, so angle 1 is congruent to angle 4.

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