MikaBarton
MikaBarton MikaBarton
  • 19-08-2016
  • Mathematics
contestada

In a triangle, two of the angles measure 56° and 72°. Find the measure of the third angle.

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dalendrk
dalendrk dalendrk
  • 19-08-2016
In a triangle, the three interior angles always add to 180°.

56° + 72° + x° = 180°

128° + x° = 180°    |subtract 128° from both sides

x° = 52°
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