CAIE IGCSE Mathematics Extended Similar Shape Lengths
Practise matching corresponding sides in similar triangles and using one consistent linear scale factor to calculate an unknown length.
- Syllabus
- 2028–2030
- Objective
- E4.4.1
- Level
- Extended
Exam points
- match corresponding vertices and sides before writing the proportion between two shapes
- calculate the linear scale factor from a known pair and apply it to the unknown side
E4.4.1 Calculate lengths of similar shapes. question 1
NOT TO SCALE
In the diagram, S lies on PQ and T lies on PR.
ST is parallel to QR.
and .
Work out PQ.
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