Math Problem Statement

Solution

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Math Problem Analysis

Mathematical Concepts

Angles
Geometry
Straight Line Angles
Exterior Angles

Formulas

Sum of angles on a straight line: x° + 50° + 90° = 180°
Exterior angle theorem: y° + 74° = 180°

Theorems

Sum of angles on a straight line theorem
Exterior angle theorem

Suitable Grade Level

Grades 6-8