| The hexagonal shape appears often in inorganic (nonliving) objects of nature. Snowflakes and other crystalline structures have the hexagon as their basic form. The pentagonal shape, which rarely appears in inorganic objects, is one of the primary geometric forms for organic shapes (living organisms). Many flowers and starflish have pentagonal shapes. Click on any of the icons below for a closer view. | ||
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Cutting an apple in half horizontally will reveal its starlike pentagonal core. |  |
| The Pentagon Building in Washington DC, the office complex of the Department of Defence, has the shape of a regular pentagon. The shape was chosen because there are five branches of the military in the American armed forces: Army, Navy, Marines, Air Force, and Coast Guard. |  |
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09-May-2005
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