Alternate Interior Angles

Alternate Exterior Angles

Same-side Interior Angles

Corresponding Angles

None of these

 $\angle7\$  and  $\angle5$  

 $\angle3\$  and  $\angle7$  

 $\angle4$  and  $\angle8$  

 $\angle1\$  and  $\angle3$  

 $\angle8$  and  $\angle6$  

 $\angle2\$  and  $\angle6$  

 $\angle2\$  and  $\angle3$  

 $\angle8\$  and  $\angle5$  

Alternate Interior Angles

Alternate Exterior Angles

Same-side Interior Angles

Corresponding Angles

None of these

Angles that add up to 180°

Angles that add up to 90°

Angles that are equal to each other

Angles that are opposite of each other when lines intersect.

Angles that add up to 180°

Angles that add up to 90°

Angles that are equal to each other

Angles that are opposite of each other when lines intersect

140^o

180^o

40^o

160^o

90°

60°

45°

55°

Obtuse Angle

Acute angle

Reflex angle

Complete angle