Question

which step is necessary after proving triangle congruence and before applying cpctc? a. proving angles sum to 180° b. calculating the area of the triangles c. verifying the congruence of medians d. identifying the corresponding parts of the triangles

Explanation:

CPCTC (Corresponding Parts of Congruent Triangles are Congruent) is used to prove equal - ness of corresponding sides and angles of congruent triangles. Before applying it, one must first identify the corresponding parts of the congruent triangles. The other options (proving angle - sum, calculating area, verifying median congruence) are not directly related to the process between proving triangle congruence and applying CPCTC.

Answer:

d. Identifying the corresponding parts of the triangles