Answer:
1.95 cm
Step-by-step explanation:
πr²h is the formula for the volume of a cylinder.
πr²*8.4=100
Divide both sides by 8.4
πr²=11.9047619047619
Divide both sides by π
r²=3.78940340695
[tex]\sqrt{3.78940340695}[/tex]=r
r is about 1.94663900273 or 1.95cm