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WAEC Mathematics 1999 Question 16

Question 16

Triangles and Quadrilaterals

Which of the following figures have one line of symmetry only? I. Isosceles Triangle II. Rhombus III. Kite

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

Answer: C (I and III only)

Explanation

An isosceles triangle and a kite each have one line of symmetry; a rhombus has two (its diagonals).