Pentagonal Pyramid

Pentagonal Pyramid Facts
Notice these interesting things:
  It has 6 Faces
  · The 5 Side Faces are Triangles
  · The Base is a Pentagon
  It has 6 Vertices (corner points)
  It has 10 Edges
And for reference:
  Volume = 1/3 × [Base Area] × Height
  Surface Area (when all side faces are the same):
= [Base Area] + 1/2 × Perimeter × [Side Length]
Instructions: In "spin" mode it freely spins and will respond to your mouse. In "drag" mode it stops spinning and you can use your mouse to move it. If you cannot see the animation at all, you will need to install "Flash Player".

Read More About Pyramids


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