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Find the measure of the missing angle of a triangle, if two of its angles are 75 degree and 65 degree respectively. please show work
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Find the measure of the missing angle of a triangle, if two of its angles are 75 degree and 65 degree respectively. please show work

User Shiqi
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The sum of the angles in a triangle is 180°. That is ...
75° +65° +(missing angle) = 180°
(missing angle) = 180° -75° -65°
(missing angle) = 40°
User Kuan Tein
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