Answer:
54.88in
Step-by-step explanation:
That is a rectangle minus a semicircle.
Area of Rectangle - Area of Semicircle = TA
1. [tex]lw-\frac{\pi r^{2}}{2} =TA[/tex]
2. [tex](10)(8)-\frac{\pi 4^{2}}{2} =TA[/tex]
3. Exact form: 80-8[tex]\pi[/tex]
Decimal form: 54.86725877
The closest answer you have there is 54.88in so just put that