Answer:
64 ft²
Step-by-step explanation:
10 ft · 10 ft
100 ft²
[tex]A=\frac{bh}{2}[/tex]
6 · 6 = 36
36 ÷ 2 = 18
18 ft² + 18 ft² = 36 ft²
100 ft² - 36 ft²
