Unit Review: Lines & angles

S.1Name each figure. Arrows show that a figure goes on forever; dots are endpoints.

1. 1
   Name it with symbols: 
2. 2
   Name it with symbols: 
3. 3
   Name it with symbols: 
4. 4
   Name it with symbols: 

S.2Write parallel, perpendicular, or intersecting. Parallel lines never meet; perpendicular lines meet at a right angle.

1. 5
   These lines are 
2. 6
   These lines are 
3. 7
   These lines are 
4. 8
   These lines are 

S.3Write acute (less than 90°), right (90°), obtuse (between 90° and 180°), or straight (180°).

1. 9
   This angle is 
2. 10
   This angle is 
3. 11
   This angle is 
4. 12
   This angle is 

S.1Points, Lines, Segments, Rays & Angles

1. 1ray $\overrightarrow{NG}$
2. 2ray $\overrightarrow{RL}$
3. 3ray $\overrightarrow{GE}$
4. 4line $\overleftrightarrow{GR}$

S.2Parallel, Perpendicular & Intersecting Lines

1. 5perpendicular
2. 6perpendicular
3. 7parallel
4. 8perpendicular

S.3Acute, Right, Obtuse & Straight Angles

1. 9obtuse
2. 10right
3. 11straight
4. 12acute