anonymous
  • anonymous
Find the length of BD such that ABCD is a parallelogram. A. 7 B. 8 C. 10 D. 14
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
DanJS
  • DanJS
DE = EB you can solve for y from that
anonymous
  • anonymous
4y-5 = 2y+1 ?

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DanJS
  • DanJS
yep
DanJS
  • DanJS
so y=3 put that into the length to figure BD
anonymous
  • anonymous
I'm confused :o
DanJS
  • DanJS
4y - 5 = 2y + 1 4y - 2y = 1 + 5 2y = 6 y = 3
anonymous
  • anonymous
ohh so 6=6 ?
DanJS
  • DanJS
yes, just divided both sides by 2 for the last step
anonymous
  • anonymous
6/2 = 3
DanJS
  • DanJS
right, y=3
DanJS
  • DanJS
Now that you know what y is, you can calculate the length of BD BD = (4y - 5) + (2y + 1) = (4*3 - 5) + (2*3 + 1) = 7 + 7 = 14
anonymous
  • anonymous
ohh thank you, I was confused as to what equation I was suppose to plug 3 into haha!
DanJS
  • DanJS
no prob

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