Question

What additional information is needed to prove the triangles are congruent by the SAS postulate

Answer 1

Answer:
`\angle XWY \cong \angle ZWY`

Explanation:

We know that
`\overline{WY} \cong \overline{WY}` by the reflexive property, so we need the included angles to be congruent (meaning
`\angle XWY \cong \angle ZWY`