Which of the following are necessary when proving that the diagonals of a rectangle...
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Problem
Which of the following are necessary when proving that the diagonals of a rectangle are congruent?
Step-by-step solution
To prove diagonals of a rectangle are congruent, we can use congruent triangles. Option C states that corresponding parts of congruent triangles are congruent, which is a fundamental theorem. Option D states that opposite sides are congruent, which is a property of rectangles that can be used to establish congruent triangles.
Answer
C, D