anonymous
  • anonymous
HELPPPPP PWEELLZZ how do u draw angles on here
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
|dw:1370536719632:dw|
anonymous
  • anonymous
help
anonymous
  • anonymous
are those lines parallel to each other?

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anonymous
  • anonymous
ya I guess...
anonymous
  • anonymous
ok, in that case, there is a trick in geometry when a line is cutting two parallel lines like you have in your drawing. look at the following |dw:1370537050683:dw|
anonymous
  • anonymous
in this case a=d; e=h; f=g; c=b
anonymous
  • anonymous
also a=e b=f c=g d=h
anonymous
  • anonymous
yes, I know tht but in this case I don think its true since the equations are different and bec of the previous angle questionss
anonymous
  • anonymous
I am not sure i understand your question then, are you being asked to solve for x?
anonymous
  • anonymous
yes
anonymous
  • anonymous
so, since you know these two angles are equal to each other you can do -1+14x=12x+17 and solve for x
anonymous
  • anonymous
then to check and get the actual measurements of the angles plug back your x
anonymous
  • anonymous
oh wooowww...I cant believe I 4got tht, lol. thnk u so muchhh
anonymous
  • anonymous
your are welcome, let me know what you get for x, that way i can check my ans too ;)
anonymous
  • anonymous
ok, I got x=9
anonymous
  • anonymous
yep that is what i get,
anonymous
  • anonymous
ok, thnx...can I ask u 4 something else? I need help wid another question :P....
anonymous
  • anonymous
sure
anonymous
  • anonymous
|dw:1370537686986:dw|
anonymous
  • anonymous
ido you know the relationship between the two angles you drew?
anonymous
  • anonymous
r they complementary? .....the angles equal 2 180 degrees
anonymous
  • anonymous
yep they are
anonymous
  • anonymous
actually their sum equals 180
anonymous
  • anonymous
yes, so how do I find the measure of the angle
anonymous
  • anonymous
find x first by solving 20x+5+24x-1=180
anonymous
  • anonymous
when you find x, plug it back to the angle you want, in this case 20x+5
anonymous
  • anonymous
oh thn juss plug the number, ok I got it
anonymous
  • anonymous
yes b/c remember the whole angle is not just x, it is 20x+5
anonymous
  • anonymous
k, thnxx a lot...
anonymous
  • anonymous
sure no problem
anonymous
  • anonymous
last, 1 im so srry, |dw:1370538725861:dw|
anonymous
  • anonymous
r these angle measures equal to 90 degrees cause their straite and look like a right angle
anonymous
  • anonymous
well, if you think back to the second problem these two angles are also supplementary angles, they also add up to 180. They are the same measure, therefore they are 90 degrees each. You can also solve this by doing algebra

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