Answer:
XW = 4 units
Step-by-step explanation:
Given tanf° = [tex]\frac{2}{1}[/tex], then
tanf° = [tex]\frac{opposite}{adjacent}[/tex] = [tex]\frac{YW}{XW}[/tex] = [tex]\frac{8}{XW}[/tex] = [tex]\frac{2}{1}[/tex] ( cross- multiply )
2XW = 8 ( divide both sides by 2 )
XW = 4
