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Luas II = 14 × 18/2 = 126 cm²
⇒ 77 + 126 = 203 cm²
203 × 10 = 2.030 cm²
tinggi segitiga = 25-7=18 cm
luas segitiga = 1/2 x 14 x 18
=126
luas stengah lingkaran= 22/7 x 7x 7
=154
luas seluruh = 126+154=280
luas 10 kartu = 10 x 280=2800