Perimeter of triangle ABC = 18
Triangle ABC is congruent to Triangle DEC by ASA (E is congruent to B, DE is congruent to AB, D is congruent to A)
7.2 + 6.3 = 13.5
18 - 13.5 = 4.5
sqrt(7.2^2-6.3^2) = 3.4856850115866752
These triangles are not possible.