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Callisto Group Title

Geometry problem #2 *Old rule: no calculator!*

  • 2 years ago
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  1. Callisto Group Title
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    • 2 years ago
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  2. FoolForMath Group Title
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    Area of the polygon-12 * area of the 1 cm side equilateral triangle. Am I missing something?

    • 2 years ago
  3. Callisto Group Title
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    I think that's it :)

    • 2 years ago
  4. AccessDenied Group Title
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    You could find the area of the entire polygon by breaking it into triangles and multiplying the area of that triangle by 12: |dw:1338109350047:dw| If you divide that triangle in half, it becomes a right triangle so you can use the magic of trigonometric functions to find the height. |dw:1338109449920:dw| Once you have the height, you can just find the area of the triangle using "A=1/2 bh", and then multiply by 12 to get area of the regular 12-sided polygon.

    • 2 years ago
  5. Ishaan94 Group Title
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    Hmm why is everyone viewing it?

    • 2 years ago
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