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<p>Volume gabungan balok dan prisma segitiga?&nbsp;</p><p>V gab = V balok + V prisma</p><p>&nbsp; =&gt; V balok = p x l x t&nbsp;</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 40 x 30 x 25</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 30.000cm³</p><p>=&gt; V prisma = L alas x t prisma&nbsp;</p><p>(alas prisma berbentuk segitiga,panjang alas = 30cm,tinggi segitiga = 35-25 =10cm)&nbsp;</p><p>V prisma = (½ x alas x t segitiga) x t prisma</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= (½ x 30 x 10) x 40</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= 6.000cm³</p><p>V gab = V balok + V prisma</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= 30.000+ 6.000</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 36.000cm³ = <strong>36 liter</strong> ( dibagi 1000,karena 1 liter = 1.000 cm³)&nbsp;</p><p><strong>Jawabannya</strong> <strong>D</strong></p>