The height of cylinder b is 11 cm.
<h3>How to measure the volume of a cylinder?</h3>
The volume of the cylinder is related to the capacity of this geometric figure. Remember that the cylinder or circular cylinder is an elongated and rounded geometric solid.
The formula for the volume of a cylinder is given by:

Where:
- V: volume
- π (Pi): 3
- r: radius
- h: height
In this case, as the cylinders are congruent, both will have the same radius, thus:

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Answer

Step-by-step explanation:
Radius is always half of the diameter so,
is equal to
.
The Formula for Circumference is 
Since we found out the radius, we need to basically substitute (or insert) it into the radius spot so the next step will be:
Then we multiply (2)(1.25) to get an answer of 2.5 (which we already know)
So our answer is going to be 
Hope this helped and answers your question! Have a great rest of your day/night!
Answer:
An irrational number is a number which cannot be expressed in a ratio of two integers. In rational numbers, both numerator and denominator are whole numbers, where the denominator is not equal to zero. While an irrational number cannot be written in a fraction.
Step-by-step explanation: Cuz i said so