Question: Exercise 4 (3, 2, and 2 marks) The diagram shows five points, P, Q, R, S and T. The line segments PQ and ST are

Exercise 4 (3, 2, and 2 marks) The diagram shows five points, P, Q, R, S and T. The line segments PQ and ST are parallel. PR = 8 cm, PS = 4 cm, QR = 10 cm, ST = 18 cm. R 8 cm 10cm P Q 4cm S 18 cm a) Explain fully why triangles RPQ and RST are similar. b) Work out the length PQ. Work out the length RT

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