Mathematics

Problem

\triangle PQR

, right-angled at

R

\tan P = \dfrac{3}{4}

. If

PR = 9\,\text{cm}

, find

QR

. a)

12\,\text{cm}

\dfrac{27}{4}\,\text{cm}

11.25\,\text{cm}

5.4\,\text{cm}