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terricherri

  • 4 years ago

Find the area of an equilateral triangle (regular 3-gon) with the given measurement. 9-inch perimeter A = sq. in. HELP AND U WILL GET MEDALS IN RETURN!

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  1. imranmeah91
    • 4 years ago
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    9 inch perimeter means 3 inches for each side, Use this formula ((s^2)/4) Sqrt[3]

  2. imranmeah91
    • 4 years ago
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    9/4 Sqrt[3]

  3. saifoo.khan
    • 4 years ago
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    1/2 ab sinC

  4. saifoo.khan
    • 4 years ago
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    imran, isnt it 81/4sqrt 3 ?

  5. imranmeah91
    • 4 years ago
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    9 inches is perimeter; not sides

  6. saifoo.khan
    • 4 years ago
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    U got that.

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