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