# Understanding tessellations

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##### Intros
###### Lessons
1. How to find the sum of interior angles of a polygon?
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##### Examples
###### Lessons
1. Can you tessellate the plane with the following regular polygons? Explain.

1. Complete the table below.
 Polygon Interior Angle (°) Can it tessellate a plane? (Y/N) Equilateral Triangle Square Regular Pentagon Regular Hexagon Regular Heptagon
###### Topic Notes
The word tessellations may not be a familiar word to all of us, while tessellations are common in our everyday life. What exactly does it mean? Tessellations basically mean covering a surface without overlaps or gaps using a pattern of flat shapes. Using rectangular tiles to cover the kitchen floor is a good real life example of tessellations. We will learn more basic concepts of tessellations in this lesson.