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anonymous

  • one year ago

Help me find the area, will recive medal!

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  1. anonymous
    • one year ago
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  2. mathstudent55
    • one year ago
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    This shape is a trapezoid. For a trapezoid's area, you need the lengths of the two bases, and the altitude.

  3. mathstudent55
    • one year ago
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    |dw:1434380183872:dw|

  4. mathstudent55
    • one year ago
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    Here is the formula. a and b are the lengths of the parallel bases. h is the height. \(\Large A_{trapezoid} = \dfrac{(a + b)h}{2} \)

  5. mathstudent55
    • one year ago
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    |dw:1434380356548:dw|

  6. mathstudent55
    • one year ago
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    We know b, the upper small base. Now we need a and h.

  7. mathstudent55
    • one year ago
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    |dw:1434380436452:dw|

  8. mathstudent55
    • one year ago
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    Do you know how to find a, the large lower base?

  9. mathstudent55
    • one year ago
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    @samman8801 Are you there?

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