anonymous
  • anonymous
(Help with another question?) Parallelogram LMNO, solve for s.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
|dw:1371556240532:dw|
anonymous
  • anonymous
Answers are 20, 30, 40, 120. i know 30 is incorrect so far.
ganeshie8
  • ganeshie8
solve t first

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More answers

mathslover
  • mathslover
Hint : Opposite angles of a parallelogram are equal.
anonymous
  • anonymous
2t+10=3t-15 t=25?
mathslover
  • mathslover
yes you are right.
mathslover
  • mathslover
Okay now, another property : Adjacent angles of a parallelogram are supplementary
anonymous
  • anonymous
Anndd...now im confused..
mathslover
  • mathslover
Do you what does "supplementary" mean?
anonymous
  • anonymous
nope. i dont know any of those terms really.. i have a hard enough time with the numbers. I can google if you want.??
mathslover
  • mathslover
|dw:1371556535008:dw|
mathslover
  • mathslover
So, we say , angle 1 and angle 4 are supplementary angles (i.e. their sum is 180 degrees and they are adjacent)
anonymous
  • anonymous
ok..are we doing a different problem?
mathslover
  • mathslover
No, it was just an example.
anonymous
  • anonymous
im sorry but your not helping. im even more confused. :(
mathslover
  • mathslover
May be, I am not good at helping ... Will try again. Okay, let us concentrate on Parallelogram LMNO only.
mathslover
  • mathslover
Can you name me the adjacent angles in Parallelogram LMNO ?
anonymous
  • anonymous
okay. sounds good. LO, MN ?
mathslover
  • mathslover
Hmm, No! They are opposite sides.
mathslover
  • mathslover
Okay, name all the angles of the parallelogram there.
anonymous
  • anonymous
LMNO
mathslover
  • mathslover
Okay. You meant Angle L , Angle M , Angle N and Angle O.
anonymous
  • anonymous
can i just have help with the actual problem?? Im not getting what your trying to do??
mathslover
  • mathslover
You guessed the adjacent angles right. Angle L and Angle O are the adjacent angles. Now, in a parallelogram , the sum of adjacent angles is 180 degrees. So, Angle L + Angle O = 180 degrees.
mathslover
  • mathslover
We are progressing towards the answer ash. Please cooperate with me. :)
anonymous
  • anonymous
4r+2t+10 ?
anonymous
  • anonymous
im sleep deprived.. :/
mathslover
  • mathslover
Excellent. And you have \((4r) + (2t + 10) = 180\) And t = 25 (you found it above)
mathslover
  • mathslover
Put t = 25 in the equation : 4r + 2t + 10 = 180 And solve for r.
anonymous
  • anonymous
4r+2(25)+10=180
anonymous
  • anonymous
r=30
anonymous
  • anonymous
no wait.. it wrong. :/
anonymous
  • anonymous
its*
mathslover
  • mathslover
I don't think that it is wrong. r = 30 should be correct.
anonymous
  • anonymous
so if r=30 , then s= 40?
mathslover
  • mathslover
yes.
anonymous
  • anonymous
THANK YOU!
mathslover
  • mathslover
Sorry, i didn't notice that we have to solve for "s" . You may have directly solved for "s" by considering the two adjacent angles M and N and then solve for s. Though, answer will remain same. Sorry, if I was not able to help you perfectly. Good Luck!

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