Math Problem Statement
Segitiga ABC siku-siku di C. Ruas garis AC= 20 cm dan sudut ACD =30⁰. Panjang Ruas garis ET sama dengan
Solution
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Math Problem Analysis
Mathematical Concepts
Trigonometry
Right-angled Triangle
Angle Relationships
Formulas
Sinus (sin) θ = opposite / hypotenuse
Cosinus (cos) θ = adjacent / hypotenuse
Pythagoras Theorem: a² + b² = c²
Theorems
Pythagorean Theorem
Trigonometric Ratios
Suitable Grade Level
Grades 10-12
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