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anonymous

  • 5 years ago

A trapezoid has area 50 in^2. The the bases are 5 in and 15 in. What is the height of the trapezoid?

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  1. amistre64
    • 5 years ago
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    still gonna be 5

  2. anonymous
    • 5 years ago
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    but what is the formula?

  3. amistre64
    • 5 years ago
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    (base+base)h ------------ = area 2

  4. anonymous
    • 5 years ago
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    isnt is 1/2(b1+b2)(h)?

  5. amistre64
    • 5 years ago
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    yes

  6. amistre64
    • 5 years ago
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    which is what I wrote

  7. anonymous
    • 5 years ago
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    The formula for the area of trapezoid is 1/2(b1+b2)*h A=50 So, we are going to substitute these values to its formula. 50=1/2(5+15)h 100=20h h=5 inches

  8. anonymous
    • 5 years ago
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    but then what do you substitute in for h?

  9. amistre64
    • 5 years ago
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    h is what you solve for...

  10. amistre64
    • 5 years ago
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    h = area(2) ------- (b+b)

  11. anonymous
    • 5 years ago
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    thankss guyss! <3

  12. anonymous
    • 5 years ago
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    you are welcome.

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