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Answer:

#2, AB is congruent to AD

Step-by-step explanation:

AB is congruent to AD.

since the bottom sides are corresponding, and the middle sides are corresponding, then if the outside sides are corresponding, then CAB is congruent to CAD

ΔCAB≅ΔCAD. Additional congruence statement could you use AB=AD. Hence, proved.

We need to find which additional congruence statement could you use to prove that ΔCAB≅ΔCAD by HL.

What is HL congruency?

The HL Postulate states that if the hypotenuse and leg of one right triangle are congruent to the hypotenuse and leg of another right triangle, then the two triangles are congruent.

In ΔCAB and ΔCAD

∠ACB=∠ACD=90°

BC=CD

AC=AC

Additional congruence statement could you use AB=AD.

Therefore, ΔCAB≅ΔCAD. Additional congruence statement could you use AB=AD. Hence, proved.

To learn more about the congruence of a triangle visit:

https://brainly.com/question/20521780.

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