Quelpr
2 marksGeometric Problem Solving (Lines, Angles, Polygons)

CSEC Mathematics · January 2013 · Paper 2 · Question 3(b)(ii)

In the diagram, not drawn to scale, ABC is an isosceles triangle with AB = AC and angle ABC = 54°. DE is parallel to BC.

Explain why triangles ABC and ADE are similar but not congruent.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 3(a)(i)Copy and complete the Venn Diagram to represent the information about the awards given, showing the number of students in EACH subset.[4 marks]
  2. 3(a)(ii)Calculate the value of x.[2 marks]
  3. 3(b)(i)a)Calculate, giving a reason for your answer, the measure of ∠ BAC.[4 marks]
  4. 3(b)(i)b)Calculate, giving a reason for your answer, the measure of ∠ AED.[4 marks]

More practice: the rest of this paper · more Geometric Problem Solving (Lines, Angles, Polygons) questions · all CSEC Mathematics past papers