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WAEC Mathematics 1994 Question 37

Question 37

Angles and Polygons

Which of the following is not a property of all parallelograms?

  1. A.the diagonals bisect each other
  2. B.Each diagonal bisects the area
  3. C.The diagonals cut at right angles
  4. D.The opposite sides are equal
  5. E.The opposite angles are equal.
Show the answer and explanation

Answer: C (The diagonals cut at right angles)

Explanation

Diagonals cut at right angles only in special parallelograms such as the rhombus and square, not in every parallelogram.