Math Problem Statement
I en trekant ved man, at to af vinklerne er hhv. 20 og 50 grader. Hvor mange grader er den tredje vinkel?
Solution
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Math Problem Analysis
Mathematical Concepts
Geometry
Triangle Angles
Formulas
Sum of angles in a triangle = 180°
Theorems
Triangle Angle Sum Theorem
Suitable Grade Level
Grades 6-8