Answer:
B) No, they are not congruent.
Step-by-step explanation:
81.25 / 125 = 0.65
so 65 %
to check 65% * 125 = 81.25
hope this helps ;)
For cylinders to be similar, the ratio between their height and radius must be equal.Our cylinder's ratio is :

The only cylinder with same ratio is the one at the choice B.
That expression would be 6n-3, where n is the number in question.