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Mathematics 10 Online
OpenStudy (anonymous):

the following are angles in a convex quadrilateral. angle a = 46 degrees angle b = 111 degrees angle c = 71 degrees what is the measure of the missing angle ? 132 degrees 144 degrees 153 degrees 165 degrees

OpenStudy (bobo-i-bo):

Angles of a quadrilateral always sum to 360 degrees

OpenStudy (anonymous):

\[360-(46+111+71)=132 \]

OpenStudy (anonymous):

thank you .

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