artytheonemanparty artytheonemanparty
  • 03-07-2018
  • Mathematics
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what is the value of y

what is the value of y class=

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EchoIocation
EchoIocation EchoIocation
  • 03-07-2018
if you isolate y from the equation y+(y-12)+56=180 (adding all the angles together to make 180), you would get 68 degrees
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choixongdong
choixongdong choixongdong
  • 03-07-2018
sum of interior angles in a triangle = 180
so
y + y - 12 + 56 = 180
2y + 44 = 180
2y = 136
y = 68

Answer
C. 68°
Answer Link

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