Final answer:
The only value among the given options that is irrational is pi (π).
Step-by-step explanation:
The values that are irrational numbers are:
Reasoning: An irrational number is a number that cannot be expressed as a fraction and has an infinite number of non-repeating decimals. π is a famous example of an irrational number. It is approximately 3.14159 and cannot be expressed exactly as a fraction or a terminating decimal. Therefore, the only value among the given options that is irrational is π.