Question

If you prove that abd is congruent to cdb which general statement best describes what you have proved ?

Answer 1

Option A is correct.

Proving that ABD is congruent to CDB proves that the 'opposite sides of a parallelogram are congruent'.

Step-by-step explanation

To prove that two triangles are congruent, we must have established that the two triangles have sides that are congruent. And the sides of triangle ABD and triangle CDB are coincidentally the sides of the parallelogram in question.

So, that these sides are congruent shows that the opposite sides of the parallelogram are congruent.

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