In the diagram, ΔXYZ is similar to ΔPRQ, |XY| = 5cm, |XZ| =3.5cm and |PR|...

MATHEMATICS
WAEC 2004

In the diagram, ΔXYZ is similar to ΔPRQ, |XY| = 5cm, |XZ| =3.5cm and |PR| = 8cm. Find |PQ|

  • A. 5.6 cm
  • B. 11.2cm
  • C. 11.4cm
  • D. 28.0cm

Correct Answer: A. 5.6 cm

Explanation

\(\frac{PQ}{PR}=\frac{XZ}{XY}; \frac{PQ}{8}=\frac{3.5}{5}\\

PQ=\frac{8\times 3.5}{5}=\frac{28}{5}=5.6cm\)



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