Terdapat suatu lingkaran dengan jari jari 14cm, dan <POQ = 168°, Tentukan panjang busur PQ dan luas Juring POQ!
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Materi : Lingkaran
Panjang Busur
Pb = a/360° × πd
Pb = 168°/360° × 22/7 . 28 cm
Pb = 7/15 × 22 × 4 cm
Pb = 616/15 cm
Pb = 41,0666...
Luas Juring
L = a/360° × πr²
L = 168°/360° × 22/7 . 14 . 14
L = 7/15 × 616 cm²
L = 287,4666... cm²
Semoga bisa membantu
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