Answer:
Last formula
[tex] {side}^{2} + \frac{\pi {r}^{2} }{2} [/tex]
Step-by-step explanation:
Composite figure is made up of a square and a semicircle.
Therefore,
Area of composite figure= area of square + area of semicircle
[tex] \huge\purple {\boxed {= {side}^{2} + \frac{\pi {r}^{2} }{2}}} [/tex]
