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Three angles of a quadrilateral are 110,120,and 50. What is the measure of the 4th angle?
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Three angles of a quadrilateral are 110,120,and 50. What is the measure of the 4th angle?

User Matthew Mullin
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1 Answer

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There are 360° in a quadrilateral.
To get the answer you just have to subtract all the know angle values
360°-110°-120°-50°
=80°

Answer: The 4th angle is 80°
User Maloney
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