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Mapel : MatematikaMateri : Lingkaran - Sudut dan Juring
Soal No. 1 (gambar pada lampiran)
Diketahui :
d = 50 mm; r = 25 mm
∠AOB = 72°
Ditanya : Luas Juring AOB
Jawab :
Soal No. 2 (gambar pada lampiran)
Diketahui :
d = 42 cm; r = 21 cm
Luas Juring XOY = 231 cm²
Ditanya : ∠XOY = θ = ?
Jawab :
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