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= (1/2×4×11) - (1/2×4×3)
= 22 - 6
= 16 satuan luas
Luas bangun 2 yang diarsir
= (1/2×4×8) - (1/2×4×3)
= 16 - 6
= 10 satuan luas
Luas yang diarsir
= 16 + 10
= 26 satuan luas
NB: Kemungkinan kesalahan di bagian option (pilihan jawaban)
Sekian dan terima kasih