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Which of these is NOT necessarily true for every parallelogram?

Class 8Properties of ParallelogramsQuadrilaterals
  • ADiagonals are equal
  • BOpposite sides are parallel
  • COpposite angles are equal
  • DDiagonals bisect each other

Step-by-Step Solution

Diagonals of a general parallelogram are not equal (they are equal only in a rectangle). The other three are always true.
Answer: A) Diagonals are equal

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