Tolong dibantu ya kak..

[tex]a = 32\\U6 = 72\\\\Beda = \frac{U6 - U1}{6 - 1}\\Beda = \frac{72 - 32}{5}\\Beda = \frac{40}{5}\\Beda = 8\\\\Sn = \frac{n}{2}(a + Un)\\S6 = \frac{6}{2}(32 + 72)\\S6 = 3(104)\\S6 = 312cm [/tex]

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