Math Problem Statement
In an isoceles trapezium abcdAB||CD & e is midpoint of ab such that DE bisects Angle D. Prove tgsr BC=AB/2
Solution
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Math Problem Analysis
Mathematical Concepts
Geometry
Trapezium Properties
Angle Bisectors
Trigonometry
Slope of a Line
Formulas
tan(θ) = opposite/adjacent
Slope formula: m = (y2 - y1) / (x2 - x1)
Theorems
Midpoint Theorem
Angle Bisector Theorem
Suitable Grade Level
Grades 10-12
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