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L lingkaran = 22/7 × 14 × 14 cm² = 616 cm²
L segienam beraturan = S²√3
= × 14 × 14 × √3 cm²
= 294√3 cm²
= 509,22 cm²
L arsiran = 616 cm² - 509,22 cm² = 106,78 cm²
maaf gambar yg satunya lagi belum bisa dijawab,karna angkanya kurang jelas.