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Verified answer
Bab Bangun DatarMatematika SD Kelas V
Luas gabungan = luas persegi panjang + luas trapesium
= (p x l) + (1/2 x jumlah sisi sejajar x tinggi)
= (10 x 8) + (1/2 x (3 + 8 + 3 + 8) x 6)
= 80 + (3 x 22)
= 80 + 66
= 146 cm²