deborahcarmona deborahcarmona
  • 03-08-2017
  • Mathematics
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what is the value of y

what is the value of y class=

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BashKnocker BashKnocker
  • 03-08-2017
The sum of the three interior angles always add to 180°.

40
° + y° + 30° + y° = 180°
40° + 2y° + 30° = 180°
70° + 2y° = 180°
2y° = 110°
y° = 55°


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