[tex]\begin{gathered} V\text{ = V1+V2} \\ V1=(6cm)\cdot(3cm)\cdot(5cm) \\ V1=90\operatorname{cm}^3 \\ V2=(2cm)\cdot(5cm)\cdot(5cm) \\ V2=50\operatorname{cm} \\ V=90\operatorname{cm}+50\operatorname{cm} \\ V=140\operatorname{cm} \\ \text{the volume of the composed figure is 140}\operatorname{cm} \end{gathered}[/tex]
