1 answer:
Answer: ASA postulate, that is Angle-Side-Angle postulate.
Step 4 of the proof states that the <span>triangles ADB and CBD are congruent, and the reason is that :
Angle 4 - Side BD - Angle 1 of triangle ADB are respectively equal to
Angle 3 - Side BD - Angle 2 of triangle CBD.
So we have 2 pairs of congruent angles including 2 equal sides of the triangles. This is congruence by ASA postulate.
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Answer:
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C
Step-by-step explanation:
If this helped, please mark me as brainliest.
Because the denominators are same, you can just add the numerators.
