Name: 
 

Lesson 7.2: Tessellating with Regular Polygons


 1. 
What is the definition of a regular polygon?
 

 2. 
The sum of the angles in any triangle is ______ .                        
                                     mc002-1.jpg
a.
180°
b.
90°
c.
360°
d.
300°
 

 3. 
A regular triangle has three equal sides. How many degrees does each angle measure in a regular triangle?

                                                        mc003-1.jpg
a.
45°
b.
90°
c.
60°
d.
30°
 

 4. 
Complete this table.

Regular Polygon
Number of triangles
Sum of interior angles
Measure of each angle
in the polygon
Rectangle
co004-1.jpg

      
         _______

180° co004-2.jpg _____ = _______

______ co004-3.jpg 4 = ______
Pentagon
co004-4.jpg

      
         _______

180° co004-5.jpg _____ = _______

______ co004-6.jpg 5 = ______
Hexagon
co004-7.jpg

      
         _______

180° co004-8.jpg _____ = _______

______ co004-9.jpg 6 = ______
Heptagon
co004-10.jpg

      
         _______

180° co004-11.jpg _____ = _______

______ co004-12.jpg 7 = ______
Octagon
co004-13.jpg

      
         _______

180° co004-14.jpg _____ = _______

______ co004-15.jpg 8 = ______
Nonagon
co004-16.jpg

      
    
         _______


180° co004-17.jpg _____ = _______


______ co004-18.jpg 9 = ______
Decagon
co004-19.jpg


      
         _______


180° co004-20.jpg _____ = _______


______ co004-21.jpg 10 = ______
 

 



 
Check Your Work     Start Over