Triangle ABC is congruent to triangle XYZ. In ΔABC, AB = 12 cm and AC = 14 cm. In △XYZ, YZ = 10 cm and XZ = 14 cm.What is the perimeter of ΔABC?

Because ΔABC is congruent to ΔXYZ, the matching sides have equal lengths: BC corresponds to YZ, so BC = 10 cm. The perimeter of ΔABC is AB + BC + AC = 12 + 10 + 14 = 36 cm. The correct choice is A, 36 cm.

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