Math Problem Statement
5.03.2018 г. — Върху страната CD на правоъгълника ABCD е избрана точка M така, че BM = CD. Ако CB = половината от AB, големината на ъгъл AMD е:
Solution
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Math Problem Analysis
Mathematical Concepts
Geometry
Triangles
Cosine Rule
Rectangles
Formulas
Cosine Rule: c² = a² + b² - 2ab * cos(θ)
Theorems
Cosine Rule
Geometrical Properties of Rectangles
Suitable Grade Level
Grades 9-11
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