Hexagons in Nature

List of hexagons found in nature.

1. Polar cap of Saturn [ Image Link ]


2. Krill Eye [ Image Link ]


3. Honeycomb [ Image Link ] [ TED-Ed Lesson ]


4. Giant's Causeway Ireland (geology) [ Image Link ]


5. Snowflakes [ Link ]


6. Compound Eyes of Insects [ Link ]


7. Virus [ link ]


8. Plant Cells [ link ]


9. Graphene [ link ]


10. Turtle Shell


11. Pollen 


12. Vanadium crystal bar

Area and Perimeter of Common Shapes

Triangles:

Area given all sides (SSS) - Heron's Formula

Heron of Alexandria:

Rectangles and Squares:

  

Parallelograms:

 

 Trapezoids:

 

Circles:

Polygons

Convex Regular Polygons (n-gons)

• Pentagon – n = 5 sides
• Hexagon – n = 6 sides
• Heptagon – n = 7 sides
• Octagon – n = 8 sides
• Nonagon – n = 9 sides
• Decagon – n = 10 sides

Perimeter and Area

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