3.2 Exercises – Calculating Angles
1. Calculate the angles.
 
a) Λv =  
b) Λx =  
c) Λy =  
 
 
2. Bisector
 
 

The segment AD is a bisector to the angle A.  How big is the angle v?

 
 
 
3. Polygons
 
  How big is the angle x?
 
 
 
4. Supplementary Angles
 
 

How big is the angle x?

 
 
 
5. Polygons
 
 

How big is the angle b?

 
 
 
6. Isosceles Triangles
 
 

How big are the angles a and b?

a) Λa =
b) Λb =
 
 
7. Polygons
 
 

How big is the angle D in the quadrangle?

   
 
 
8. Supplementary Angles

How big is the angle x?