That's a triangle base 7 height 3 and a rectangle length 7 width 3,
[tex]A = \frac 1 2 (7)(3) + 7(3) = (\frac 3 2 )21 = \frac{63}{2}[/tex]
Answer: [tex] \dfrac{63}{2} = 31 \frac 1 2[/tex]
