### Home > CCA2 > Chapter 5 > Lesson 5.2.2 > Problem5-78

5-78.

Find the value of $x$ in each diagram below.

1. Remember the side ratios for $45°-45°-90°$ and $30°-60°-90°$ right triangles.

$(1: 1 : \sqrt{2})\ \ (1: \sqrt{3}: 2)$

$\textit{x}=17\sqrt{3}$

2. See part (a).