Mathematics, 10.12.2020 01:10 leannaadrian

Which of the following are necessary when proving that the diagonals of a rectangle are congruent? Check all that apply.

A. Corresponding parts of similar triangles are similar.
B. Opposite sides are congruent.
C. Opposite sides are perpendicula.
D. Corresponding parts of congruent triangles are congruent.

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