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Masja [62]
3 years ago
8

What is the value of y

Mathematics
2 answers:
Alex_Xolod [135]3 years ago
7 0
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
Cloud [144]3 years ago
3 0
Sum of interior angles in a triangle = 180
so
y + y - 12 + 56 = 180
2y + 44 = 180
2y = 136
y = 68

Answer
C. 68°
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