jean0219 jean0219
  • 14-04-2020
  • Mathematics
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irregular quadrileral find x 80 + 95 + 38 + x

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arianakeeling6
arianakeeling6 arianakeeling6
  • 14-04-2020
The sum of the interior angles of a quadrilateral are equal to 360o. To find the fourth angle of a quadrilateral when the other three angles are known, subtract the number of degrees in the other three angles from 360o.

Example: How many degrees are in the fourth angle of a quadrilateral whose other three angles are 80o and 110o and 95o? Answer: 360o - 80o - 110o - 95o = 75o
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