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Matematika
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1 Jawaban
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1. Jawaban Callista2908
11.
20x20 = 400m²
22/7x7x7 = 154 m²
400-154 = 246 m² x 100.000 = Rp 2.460.000,-
12.
BC = 45°
AB = 90°
= 90/45x60
= 120 cm