[tex]s \: a \: = (2 \times \frac{1}{2} \times 4 \times 6) + (3 \times 2 \times 5) \\ [/tex]
[tex]s \: a \: = 24 + 30[/tex]
[tex]s \: a \: = 54 \: \: {yd}^{2} [/tex]