# Chapter 8 - Applications of Trigonometric Functions - 8.1 Right Triangle Trigonometry; Applications - 8.1 Assess Your Understanding - Page 520: 54

$\approx20.7\text{ ft}.$

#### Work Step by Step

We know that $\sin{\theta}=\frac{\text{opposite}}{\text{hypotenuse}}$. We can denote that $\sin{(70^o)}=\frac{d}{22}$, hence $d=20\sin{(70^o)}\approx20.7\text{ ft}.$

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.