LM = OP is given. This is represents the first "S" in "SAS" angle M = angle P is given. This is the "A" in "SAS" MN = PQ is given. This is the second "S" in "SAS"
ABC and AED are congruent by SSS. SSS is if three sides of a triangle are congruent to 3 sides of another triangle, then the triangles are congruent. AB and AE are both 7, BC is congruent to ED and CA is congruent to DA because of the tick marks.
