CPM Homework Help : INT3 Problem 4-120

State which triangles are congruent and justify your statements.

5 triangles, labeled as follows: side AC, 1 tick mark, side AB, 2 tick marks, side BC, 3 tick marks. Angle a, 2 tick marks. Side EF, 1 tick mark, angle e, 1 tick mark, angle f, 1 tick mark. Side GH, 1 tick mark, Side IH, 2 tick marks, side, IG, 3 tick marks. Side JK, 1 tick mark, side KL, 2 tick marks, angle K, 2 tick marks. Side MN, 1 tick mark, angle m, 1 tick mark, angle N, 1 tick mark.

Hint:

For these triangles, pay attention to the marked segments and angles when comparing them.

Partial Answer:

$\Delta ABC \cong \Delta KLJ \text{ by SAS} \cong$