Question

which of the following would give the length of the hypotenuse PR in diagram below

Answer 1

PR = 8/ cos(24)

From the triangle

$\begin{gathered} \cos \text{ 24 = }\frac{adjacent}{hypotenuse} \\ \cos \text{ 24 = }\frac{8}{PR} \\ PR\text{ = }\frac{8}{\cos (24)} \end{gathered}$