Math Problem Statement
Seorang arsitek sedang merancang jendela berbentuk lingkaran dengan diameter 28 meter. Bagian atas jendela tersebut akan dihias dengan kaca berwarna yang berbentuk tembereng dengan sudut pusat 150 derajat. Berapa luas kaca berwarna yang dibutuhkan?
Solution
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Math Problem Analysis
Mathematical Concepts
Geometry
Circle Geometry
Segments and Sectors
Formulas
Area of a Sector: L_juring = (θ / 360°) × π × r²
Area of a Triangle using Sine: L_segitiga = 0.5 × r² × sin(θ)
Area of a Segment: L_tembereng = L_juring - L_segitiga
Theorems
Sine Rule
Sector Area Calculation
Suitable Grade Level
Grades 10-12
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