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Verified answer
Kelas 6 MatematikaBab Luas dan Volume
Luas permukaan = 550
2 x (p x l + p x t + l x t) = 550
15 x 10 + 15 x t + 10 x t = 550/2
15t + 10t = 275 - 150
25t = 125
t = 125/25
t = 5 cm