Question

prove that a diagonal of a parallelogram divides it into two congruent triangle​

Answer 1

90°=90°

diagonal will be common in both

and opposite side of parallelogram are equal

so by rhs congruency criteria the two triangle will be congruent

Step-by-step explanation:

hope u got it

Answer 2

Step-by-step explanation:

Parallelogram Theorem #1: Each diagonal of a parallelogram divides the parallelogram into two congruent triangles. Parallelogram Theorem #2: The opposite sides of a parallelogram are congruent. ... You can show that alternate interior angles are congruent and hence lines are parallel for this part of the proof.