1. Tessellations
Geometry Unit 2 Session 4

2. Tessellations – Notes
tessellation
shape

3. Tessellations – Notes
regular
polygons
tessellation
360°

4. Class Example 1 𝟏𝟐𝟎°+𝟔𝟎°+𝟔𝟎°+𝟔𝟎°+𝟔𝟎°=𝟑𝟔𝟎°
1) A single interior angle of a regular hexagon
∠= 𝒏−𝟐 𝟏𝟖𝟎 𝒏
∠= 𝟔−𝟐 𝟏𝟖𝟎 𝟔
∠=𝟏𝟐𝟎°
2) A single interior angle of a regular triangle
∠= 𝒏−𝟐 𝟏𝟖𝟎 𝒏
∠= 𝟑−𝟐 𝟏𝟖𝟎 𝟑
∠=𝟔𝟎°
3) Add together all of the individual angles
𝟏𝟐𝟎°+𝟔𝟎°+𝟔𝟎°+𝟔𝟎°+𝟔𝟎°=𝟑𝟔𝟎°

5. Class Example 2
1) A single interior angle of a regular hexagon
∠= 𝒏−𝟐 𝟏𝟖𝟎 𝒏
∠= 𝟔−𝟐 𝟏𝟖𝟎 𝟔
∠=𝟏𝟐𝟎°
2) Add together all of the individual angles
𝟏𝟐𝟎°+𝟏𝟐𝟎°+𝟏𝟐𝟎°=𝟑𝟔𝟎°