Prove two triangles congruent using two-column proof. Given: AC is an angle bisector of ∠BCD. m∠B = m∠D. Prove: ΔABC ≅ ΔADC

Question

help not good with this . Link for picture & problem below.

Statements:

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1. AC is angle bisector of angle BCD
2. angle 3 = angle 4
3. angle b = angle d
4. AC = AC
5. ΔABC ≅ ΔADC

https://drive.google.com/file/d/1kzVy5HeXz2ZDqv6PSXoXN1ld0NgtF8-X/view?usp=sharing

Answer 1

Since angle "B"=angle "D"; sides bc and dc are= (equilateral triangle).

Just by the given imfo; abc=adc; Line ac is the middle; just fold it in half.

Side "C" is cut in half. All corresponding portions are =.