Question

In the diagram below, describe what additional piece of information isneed to prove the triangles are congruent by SAS.

Answer 1

Remember that

(SAS for Similarity). In two triangles, if two sets of corresponding sides are proportional and the included angle is congruent, the triangles are similar.

so

in this problem

JK and AK ae congruent to NK and AK

is needed the measure of angle

therefore

answer is fourth option