Penjelasan dengan langkah-langkah:
Lp = 2 (pl + pt + lt)
94 = 2(5(4) + 5t + 4t)
94 = 2(20 + 9t)
94 = 40 + 18t
-18t = 40 - 94
-18t = -54
t = 54/18
t = 3 cm
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Penjelasan dengan langkah-langkah:
Lp = 2 (pl + pt + lt)
94 = 2(5(4) + 5t + 4t)
94 = 2(20 + 9t)
94 = 40 + 18t
-18t = 40 - 94
-18t = -54
t = 54/18
t = 3 cm