anonymous
  • anonymous
Easy math question im stuck on. (x+40)= ?
Geometry
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
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anonymous
  • anonymous
its really easy i know it
anonymous
  • anonymous
but i forgot how to get the x. i feel stupid.

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More answers

anonymous
  • anonymous
idk if i should plug in the 2 for the x?
anonymous
  • anonymous
the angle that its at is less then 90. if tht helps.
DebbieG
  • DebbieG
Well, you'll want to find x. So we need to set up an equation involving x and solve it. Look at angle GED, the one on the "other side" of (x+40). Can you think of an expression for the measure of that angle? In terms of x?
anonymous
  • anonymous
x is less then 90 degree angle
DebbieG
  • DebbieG
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anonymous
  • anonymous
that diagrams kind of confusing me.. i thought it would be 2x+40= ?
anonymous
  • anonymous
so youre saying ..180-x right?
DebbieG
  • DebbieG
Well, not 180 - x, but you're on the right track.... What is the sum of your angles GED + GEF?
anonymous
  • anonymous
its 180
anonymous
  • anonymous
im thinking x is 20 then.
DebbieG
  • DebbieG
Right... so angle GED (the 3rd angle of the triangle) is what? 180-{measure of GEF} = ?
anonymous
  • anonymous
180-x+40 like that?
DebbieG
  • DebbieG
almost..... you are missing an important set of parentheses....
DebbieG
  • DebbieG
You want to subtract the WHOLE expression x+40, from 180.
anonymous
  • anonymous
hello?
anonymous
  • anonymous
can anyone else help? i keep getting the wrong answer..
DebbieG
  • DebbieG
Sorry, hold on.... this isn't working out. but to answer above, you need 180 - (x+40)
anonymous
  • anonymous
ok? i did 180-(x+40) but keep getting an incorrect answer
anonymous
  • anonymous
am i supposed to simplify?
DebbieG
  • DebbieG
Well, that isn't the answer yet. We are just trying to find x. Once you have x, you'll know what x+40 is, right? But the answer I'm getting isn't making sense, because the triangle isn't adding to 180... @skullpatrol ? @thomaster ?
anonymous
  • anonymous
i tried that but i keep telling you. i get the wrong answer when i try to solve youre problem.
anonymous
  • anonymous
i am getting the same answer and its completly wrong.. idk what to do here.
DebbieG
  • DebbieG
Never mind, I see my own error... OK: 180-(x+40)=180-x-40=140 - x that's angle GED, right? (Make sure you see why!!) Now we have expressions for all 3 angles of the triangle, so those must sum to 180 (because, after all, it's a triangle!) So we have: x + 2x + (140 - x) = 180 That's the 3 angles of the triangle. Now you need to SOLVE THAT equation for x.
DebbieG
  • DebbieG
But remember, x is not your answer to the question. This is just to tell you what x is. Once you know x, you know that GEF = x + 40 THAT'S what you need to select as your answer.
anonymous
  • anonymous
20
DebbieG
  • DebbieG
yes, for x
anonymous
  • anonymous
ty
DebbieG
  • DebbieG
So the angle measure you're looking for is?
anonymous
  • anonymous
60
DebbieG
  • DebbieG
Right. :) and you're welcome :)

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