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Rahul says a parallelogram is a rhombus if and only if its diagonals are perpendicular.
To become a square, what ONE extra condition must the rhombus satisfy?

Class 8Special ParallelogramsQuadrilaterals
  • Aits sides must be parallel
  • Bits diagonals must also be equal
  • Cits area must be 100
  • Dit must have four sides

Step-by-Step Solution

A rhombus already has perpendicular diagonals; making the diagonals equal forces right angles, giving a square.
Answer: B) its diagonals must also be equal

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