Mathematics 0580 · IGCSE · Similarity

Similarity — practice question

The diagram shows three mathematically similar shapes. Their heights are in the ratio small : medium : large = $1 : 5 : 8$. The diagram is not drawn to scale.
(main)[4]

Find the ratio of shaded area : total unshaded area. Express your answer in its simplest form.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Complement approach” …

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI