CAIE IGCSE Mathematics Core Similar Shapes Questions

Practise recognising similar or congruent shapes, matching corresponding sides and applying a consistent linear scale factor to missing lengths.

Syllabus
2028–2030
Topic
C4.4
Level
Core

Exam points

  • identify corresponding vertices and sides before writing a ratio between similar figures
  • calculate the linear scale factor from one known corresponding side pair
  • use the same scale factor to multiply or divide another corresponding side length

Covered syllabus points

C4.4.1 Calculate lengths of similar shapes.

C4.4 Similarity question 1

[Maximum number: 2]

The diagram shows two mathematically similar plant pots.

Figure for Question C4.4 Similarity question 1 — CAIE IGCSE Mathematics Core
Figure for Question C4.4 Similarity question 1 — CAIE IGCSE Mathematics Core

NOT TO SCALE

The smaller pot has height 21.6 cm and diameter 27 cm.
The larger pot has diameter 33 cm.
Find the height, h, of the larger pot.
h= cm [2]

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