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ZyairaBoyd

  • 4 years ago

What is the length of side GH? Help needed ASAP!

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  1. ZyairaBoyd
    • 4 years ago
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  2. dpaInc
    • 4 years ago
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    that picture is a little ambiguous... which quadrilateral has an area of 60 square cm... rectangle GHJK , or trapezoid GHIK

  3. AnimalAin
    • 4 years ago
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    Recall that A = lw. You have the width and the area, so you can use that to get the length.

  4. dpaInc
    • 4 years ago
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    well, if it's the area of rectangle GHJK then the answer is easily obtained by the area formula: A=L*W 60 = L*4

  5. dpaInc
    • 4 years ago
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    divide 4 from both sides... but that's a little too easy. maybe it's the trapezoid you think?

  6. ZyairaBoyd
    • 4 years ago
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    divide 4 frm where?

  7. dpaInc
    • 4 years ago
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    If the 60 is actually the trapezoid, the area formula is A = (1/2) (base1 + base2)*height. GH is base1 and KI is base2. A=60, height = 4. plug all these into that formula and solve for base1 (GH)

  8. ZyairaBoyd
    • 4 years ago
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    1/2(4+18)?

  9. ZyairaBoyd
    • 4 years ago
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    @dpaInc

  10. ZyairaBoyd
    • 4 years ago
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    gave me 11

  11. dpaInc
    • 4 years ago
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    (1/2)(base1 + 18)*4 = 60 this is the equation you need to solve for base1. divide both sides by 2 to get rid of the (1/2)*4 then subtract 18 from both sides to solve for base1

  12. ZyairaBoyd
    • 4 years ago
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    Ty i got the answer right :D @dpaInc

  13. dpaInc
    • 4 years ago
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    all right!!! yw... :)

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