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A quadrilateral has both pairs of opposite sides equal, but its diagonals are unequal and do NOT meet at right angles.
Which of these does it fail to be?

Class 8Types of QuadrilateralsQuadrilaterals
  • AA parallelogram
  • BA rectangle
  • CA general quadrilateral
  • DA four-sided figure

Step-by-Step Solution

Opposite sides equal makes it a parallelogram. Unequal diagonals rule out rectangle and square; non-perpendicular diagonals rule out rhombus. So it is a plain parallelogram, not a rectangle.
Answer: B) A rectangle

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