Math Problem Statement
cho tam giác ABC,vẽ ngoài tam giác ABC các tam giác đều ABD và ACE.I là trung điểm AD,P là trung điểm EC.Trên BC lấy F sao cho BF=3FC.tính góc FPI
Solution
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Math Problem Analysis
Mathematical Concepts
Geometry
Equilateral Triangles
Midpoints
Angle Calculation
Formulas
Angle properties in equilateral triangles
Midpoint theorem
Angle relationships in triangles
Theorems
Midpoint theorem
Properties of equilateral triangles
Suitable Grade Level
Grades 10-12
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