Which concept can be used to prove that the diagonals of a parallelogram bisect each other? congruent triangles similar triangles congruent rectangles similar rectangles

Answer

The concept can be used to prove that the diagonals of a parallelogram bisect each other is congruent triangles

Explanation

In a parallelogram, opposite sides are equal and parallel.

The two diagonals in the parallelogram make four triangles. opposite triangles are congruent. That means two pair of congruent triangle are here.

Using congruence of triangles, we can prove the diagonals of a parallelogram bisect each other

a)(x-2)^2+(y-1)^2=9

step-by-step explanation:

(picture explains)