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luas seperempat lingkaran = . 616 = 154
luas segitiga siku siku = . 14 .14 = 98
luas yang di arsir = luas lingkaran - (luas seperempat lingkaran - luas segitiga siku siku) = 616 - (154-98) = 616- 56 = 560
jadi luasnya 560