Rumus luas permukaan = 2(p x l + p x t + t x l)
t = tinggi
l = lebar = 6 cm
p = panjang = 10 cm
Jadi 2(10 x 6 + 10t + 6t)
376 = 2(60 + 16t)
376 = 120 + 32t
376 - 120 = 32t
256 = 32t
t = 256/32 = 8 cm
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Rumus luas permukaan = 2(p x l + p x t + t x l)
t = tinggi
l = lebar = 6 cm
p = panjang = 10 cm
Jadi 2(10 x 6 + 10t + 6t)
376 = 2(60 + 16t)
376 = 120 + 32t
376 - 120 = 32t
256 = 32t
t = 256/32 = 8 cm