Answer:
78
Step-by-step explanation:
V = [tex]V=\frac{1}{3}Bh\\B=\pi r^{2} \\B=\pi (5^{2})\\10\pi \\V=\frac{1}{3} Bh\\V=\frac{1}{3} x 10\pi x 7\frac{1}{2}\\78[/tex]