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ipn [44]
3 years ago
5

If the exterior angle of a triangle is 120 degree and its interior opposite angles are (15x+5) and (22x+4), Find the value of x

Mathematics
1 answer:
slava [35]3 years ago
7 0
The exterior angle is equal to the sum of opposite interior angles, so ...
  (15x+5) + (22x+4) = 120
  37x +9 = 120
  x = (120 -9)/37 = 3

The value of x is 3.
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