Math Problem Statement
Sur cette figure, l'angle D mesure 162°.
Quelle est la somme des mesures des angles A, B et C ?
Solution
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Math Problem Analysis
Mathematical Concepts
Geometry
Polygons
Angle properties
Formulas
Sum of interior angles of a polygon formula: (n-2) * 180°
Theorems
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Suitable Grade Level
Grades 7-9
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