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Maka AB = 8 × 3 = 24 cm
AD = 2 × 8 = 16 cm
Lseluruhnya = 24 × 16 = 384 cm²
Lyang tidak diarsir = 8 × 8 = 64 cm²
Lyang diarsir = 384 - 64 = 320 cm²
Maaf kalau ada kesalahan