17 = n

-17 = n

5 = n

-5 = n

h = 27

h = 135

h = 45

h = 16.2

 $x\ =\ -9$  

 $x\ =\ 5$  

 $x\ =3$  

 $x\ =\ 7$  

 $r\ =0$  

 $r\ =\ 1$  

 $r\ =\ 2$  

 $r\ =\ 3$  

Ray

Point

Line

Line segment

Any 2 points on the line with a line drawn above them, or a lowercase script letter.

Any 3 points on the line with a line drawn above them.

Any 1 point on the line with a line above it.

Any 3 points on the line, or a uppercase script letter.