Math Problem Statement
given a triangle ABC, and a point P inside the triangle such that angle PAC is 40, angle PAB is 30, angle PCA is 20 and angle PCB is 10, what is the value of angle PBA
Solution
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Math Problem Analysis
Mathematical Concepts
Geometry
Angle Sum in Triangles
Internal Angles
Formulas
Sum of angles around a point: 360°
Sum of angles in a triangle: 180°
Theorems
Triangle Angle Sum Theorem
Exterior Angle Theorem
Suitable Grade Level
Grades 9-12
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