Answer:
The required irrational number between 12.1 and 12.2 is 12.1243536859.....
Explanation:
To find : What is a irrational number between 12.1 and 12.2 ?
Solution :
An irrational number is defined as the number written in
form or in proper fraction where p and q are integers and q is non-zero.
An irrational numbers are non-terminating and non-repeating.
So, An irrational number between 12.1 and 12.2 is any number which is non-terminating and non-repeating there are so many in between.
Let's take, 12.1243536859......
Therefore, The required irrational number between 12.1 and 12.2 is 12.1243536859......