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Luas segitiga OKL = 1/2 . 7 . 7 = 24,5
Luas daerah arsiran = Luas juring - luas segitiga = 38,5 - 24,5 = 14
jawaban: 14 cm²
1/4 x 154 - 1/2 7 x 7 = luas yg diarsir
38,5 - 24,5 =14 cm2
sekalian jadiin jawabanku yg terbaik ya