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alas atas = 13
alas bawah = 26 (4 + 13 + 9)
tinggi = 8
Luas trapesium
= (13 + 26) / 2 x 8
= 156 cm²
Jika cukup membantu .. boleh dong minta bintangnya :)
dengan : a + b = Jumlah sisi sejajar
t = tinggi trapesium
L =