### Home > A2C > Chapter 6 > Lesson 6.2.2 > Problem6-78

6-78.

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

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

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

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

See part (a).