Right Isosceles

Right Scalene

Acute Equilateral

Obtuse Isosceles

$28\degree$

$32\degree$

$118\degree$

$152\degree$

Linear

Vertical

Alternate interior

Corresponding

Alternate Interior Angles

Alternate Exterior Angles

Corresponding Angles

Vertical Angles

Linear pair

Alternate Interior Angles

Alternate Exterior Angles

Corresponding Angles

Vertical Angles

Linear pair

Alternate Interior Angles

Alternate Exterior Angles

Corresponding Angles

Vertical Angles

Linear pair

 $180\degree$  

 $65\degree$  

 $115\degree$  

 $65\degree$  

 $180\degree$  

 $115\degree$  

 $131\degree$  

 $180\degree$  

 $49\degree$  

 $131\degree$  

 $180\degree$  

 $49\degree$  

 $\angle1\ and\ \angle8$  

 $\angle3\ and\ \angle7$  

 $\angle4\ and\ \angle5$  

 $\angle2\ and\ \angle5$