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Mathematics for IGCSE & O level - Similarity (Section 2 - No. 22)

The rectangles ABCD and PQRS are similar. Find the length of PQ if AB=6cm, CD=4cm, and BC=5cm.
7.5 cm
10 cm
3 cm
6 cm

Spiegazione

The scale factor is 6/4=1.5. So PQ is 5 x 1.5 = 7.5cm

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