Question

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Answer 1

Answer:

1. In triangle ABC and PQR

AC=QR (6 cm)

ANGLE A= ANGLE Q ( given)

ANGLE B= ANGLE R ( construction)

triangle ABC is congruent to triangle PQR by ASA

2. triangle ABD and triangle BDC

angle d = angle b (alternate angle)

db = db (common)

angle d = angle b (alternate angle)

triangle ABD is congruent to triangle BDC by ASA