anonymous
  • anonymous
What is the length of side GH? Help needed ASAP!
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
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anonymous
  • anonymous
that picture is a little ambiguous... which quadrilateral has an area of 60 square cm... rectangle GHJK , or trapezoid GHIK
anonymous
  • anonymous
Recall that A = lw. You have the width and the area, so you can use that to get the length.

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anonymous
  • anonymous
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
anonymous
  • anonymous
divide 4 from both sides... but that's a little too easy. maybe it's the trapezoid you think?
anonymous
  • anonymous
divide 4 frm where?
anonymous
  • anonymous
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)
anonymous
  • anonymous
1/2(4+18)?
anonymous
  • anonymous
@dpaInc
anonymous
  • anonymous
gave me 11
anonymous
  • anonymous
(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
anonymous
  • anonymous
Ty i got the answer right :D @dpaInc
anonymous
  • anonymous
all right!!! yw... :)

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