21:001 of 5

Edexcel 1MA1HigherNon-calculatorG19 Similarity and congruence

Question 1 · 4 marks

Spec and skills
  • Paper scope: Paper 1: non-calculator practice
  • Spec G19
  • Spec R12
  • Original practice question
  • Answer and supported method checks
A solid cone is cut by a plane parallel to its base, one third of the way down from the vertex (measured along the height). This cuts off a small cone and leaves a frustum.
Show that the ratio of the volume of the small cone to the volume of the frustum is 1:261 : 26.

Put the argument in order.

  1. Tap a step below