Math Problem Statement

Solution

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Math Problem Analysis

Mathematical Concepts

Geometry
Angles in Parallelograms
Straight Line Angles

Formulas

Angles on a straight line: x + 49° = 180°
Opposite angles of a parallelogram: ∠B + ∠D = 180°

Theorems

Angle sum property on a straight line
Opposite angles in a parallelogram

Suitable Grade Level

Grades 8-10