CAIE IGCSE Mathematics Extended E4.4.1 Calculate Lengths of Similar Shapes Questions

Practise Extended CAIE IGCSE Mathematics by identifying geometric relationships and describing figures precisely.

Exam points

Interpret and use standard geometrical terms and notation in diagrams.
Recognise relationships such as perpendicular, parallel, congruent and similar.
Describe geometric figures accurately using the required terminology.

[Maximum number: 2]

NOT TO SCALE

The diagram shows a cyclic quadrilateral ABCD. BD and AC intersect at X.

In the diagram, triangle ADX is similar to triangle BCX.
$B C=4.5 \mathrm{~cm}, A D=9 \mathrm{~cm}$ and $C X=3.3 \mathrm{~cm}$ .

Work out XD.
X D= cm [2]

6.6

M1 for $\frac{4.5}{9}=\frac{3.3}{XD}$ oe.

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CAIE IGCSE Mathematics Extended E4.4.1 Calculate Lengths of Similar Shapes Questions question 1