Question

Find the length of the missing ride. ROUND YOUR ANSWER TO THE NEAREST TENTH

Answer 1

Using pythagorean theorem:

$\begin{gathered} c^2=a^2+b^2 \\ b=\sqrt[]{c^2-a^2} \\ b=\sqrt[]{19^2-17^2} \\ b=\sqrt[]{72} \\ b\approx8.5 \end{gathered}$