anonymous
  • anonymous
Find the value of x
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
what is the equation?
anonymous
  • anonymous
|dw:1371241475809:dw|
anonymous
  • anonymous
you need to find out what the total of a triangle is.

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More answers

anonymous
  • anonymous
after, if you know a straight line is 180 subtract 105 from it and you will get the missing angle. then add the angles you know and subtract from the total of the triangle
jdoe0001
  • jdoe0001
I wonder is 105 is an external angle and 67 is an internal angle :/
anonymous
  • anonymous
105 is external and 67 is inside the triangle sorry i didnt put it inside the triangle
anonymous
  • anonymous
so what is the total of a regular triangle? when you find that out just add the angles you know and subtract from the total to find x
jdoe0001
  • jdoe0001
http://www.wyzant.com/Images/Help/triangle_angle1.gif |dw:1371242302943:dw| as melody16 pointed out, add them up
anonymous
  • anonymous
Would X = 38
jdoe0001
  • jdoe0001
well, is 67 an internal or external angle?
anonymous
  • anonymous
yes
anonymous
  • anonymous
a internal angle
jdoe0001
  • jdoe0001
so, (180-105) + 67 + x = 180 75 + 67 +x = 180 x = 180 - 142
jdoe0001
  • jdoe0001
so, yes
anonymous
  • anonymous
like i said

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