prove that diagonal of a rectangle or parallelogram divides it into two congruent triangles.
[Hint: Opposite sides of a rectangle are equal].
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prove that diagonal of a rectangle or parallelogram divides it into two congruent triangles.
[Hint: Opposite sides of a rectangle are equal].
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Answer:
by ASA criteria
AOB~QOP
angle ABO= angle OQP
side OP=OA
angle AOB=QOp