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Which set of conditions guarantees a parallelogram?

Class 9Conditions for a ParallelogramGeometry — Quadrilaterals
  • ABoth pairs of opposite sides parallel
  • BOne pair parallel, other pair equal
  • CDiagonals equal only
  • DTwo adjacent sides equal

Step-by-Step Solution

By definition, a quadrilateral with both pairs of opposite sides parallel is a parallelogram.
Answer: A) Both pairs of opposite sides parallel

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