What is the radius of the cone?
1cm
2cm
4cm
8cm

Answer:
4
Step-by-step explanation:
r = [tex]\sqrt{3} \frac{v}{\pi h}[/tex]
16π² = 157.9136704
[tex]\sqrt{3} \frac{157.9136}{\pi 12}[/tex] = 3.54
3.54 rounded up is 4