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L 1/2 lingkaran = 1/2 r² = 1/2 x 22/7 x 7² = 77 cm²
L 2 segitiga = L persegi - 2 luas 1/2 lingkaran = 196 - 2(77) = 42 cm²
L arsir = L persegi - 4 luas segitiga = 196 - 2(42) = 112 cm²