Question

(prove) the diagonal divides a parallelogram into two congruent triangles ​

Answer 1

Answer:

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Answer 2

(we are taking two triangles as BAC and DAC

In BAC and DCA.

1 = 2.

3 = 4 [alternate pair]

AC = AC (common)

Therefore, diagonal of a parallelogram divides it into two congruent triangles.