Question

Instructions: State what additional information is required in order

to know that the triangles in the image below are congruent for the
reason given
Reasory. ASA Postulate

Answer 1

ACB = JCB

Explanation:

ASA means angle - (included) side - angle.

we have one angle confirmed.

we have the connected side BC confirmed (the diagram shows that the side is shared, so it is not only congruent, it is actually identical).

now we need confirmation for the angle at the other end point of that side.