[tex]\begin{gathered} V\text{ \lparen triangular prism\rparen = }\frac{1}{2}ac\left(h\right) \\ V\text{ = }\frac{1}{2}\left(5\text{ x 4\rparen \lparen5\rparen}\right? \\ V=\frac{20\left(5\right)}{2} \\ V\text{ = 50cm}^3 \end{gathered}[/tex][tex]\begin{gathered} V\text{ \lparen rectangular prism\rparen = l x w x h} \\ V=\text{ 8\lparen10\rparen\lparen6\rparen} \\ V=480\text{ cm}^3 \end{gathered}[/tex]
Total volume of composite figure= V(triangular prism) + V(rectangular prism) = 50 + 480
= 530 cm^3
