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WAEC Mathematics 2000 Question 23

Question 23

Angles and Polygons

Which of the following statements is/are not true about a rectangle? I. Each diagonal cuts the rectangle into two congruent triangles. II. A rectangle has four lines of symmetry. III. The diagonals intersect at right angles.

  1. A.I and II only
  2. B.III only
  3. C.II only
  4. D.II and III only.
Show the answer and explanation

Answer: D (II and III only.)

Explanation

A rectangle has only two lines of symmetry and its diagonals are not perpendicular (unless it is a square). Statement I is true.