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L.½ Lingkaran: (22/7 x 14²) : 2 = 616 : 2 = 308 cm²
L.P.Panjang: 68x25 = 1.700 cm²
L.Segi3: (68x10):2 = 680:2 = 340 cm²
Total = 308+1700+340 = 2348 cm²
jawaban A
26.)
L= 22/7 x 42² = 5544 cm²
L.juring = 5544 x 120/360 = 1848 cm²
jawaban C
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