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anonymous

  • one year ago

The length of a side in an equilateral triangle is 5 inches. Find the area of the triangle.

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  1. anonymous
    • one year ago
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    |dw:1436968678356:dw|

  2. anonymous
    • one year ago
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    would that mean that i would have to take 5 by the 3 side of the triangle?

  3. welshfella
    • one year ago
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    you need to find the height of the triangle by using the pythagoras theorem |dw:1436968822385:dw|

  4. welshfella
    • one year ago
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    the area is 1/2 * 5 * h

  5. anonymous
    • one year ago
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    would that make the answer 25?

  6. anonymous
    • one year ago
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    the following are the answers i have to choose from: 5√3 6.25√3 12.5√3

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