# In the equation a = πr^{2}, π (pi) is a _____________

π(pi) is an irrational number whose value in fractional form is 22/7 which is usually approximated to the value of 3.14

## Answer: In the equation a = πr^{2}, π (pi) is a numerical constant.

The value of π is always a constant. Pi value approximated to 6 decimal places is: π = 3.141593. π is an irrational number.

### Thus, in the equation, a = πr^{2}, π (pi) is a numerical constant.

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