$m\angle KJH=\frac{1}{2}\left(m\angle KJF\right)$  

 $m\angle KJH=\frac{1}{2}\left(m\angle HJF\right)$  

 $m\angle KJH=2\left(m\angle HJF\right)$  

 $m\angle KJH=2\left(m\angle KJF\right)$  

vertical angles

supplementary angles

a linear pair

complementary angles

1

-1

0

½

Any line with a slope of -⅘, NOT going through (0,-2)

Any line with a slope of -⅘, going through (0,-2)

Any line with a slope of ⅘, NOT going through (0,-2)

Any line with a slope of ⅘, going through (0,-2)

y=2

y=-2

x=2

y=x+2

$y=-\frac{1}{2}x+1$

$y=-2x+1$

$y=\frac{1}{2}x+1$

$y=-\frac{1}{2}x-1$

 $157\degree$  

 $67\degree$  

 $23\degree$  

 $-67\degree$