Fill in the blanks to make the statement true.In the formula, area of circle = πr2, the numerical constant of the expression πr2 is ________.

Fill in the blanks to make the statement true.In the formula, area of

1.	Fill in the blanks to make the statement true.In the formula, area of circle = πr2, the numerical constant of the expression πr2 is ________.
Answer» In the formula, area of circle = πr², the numerical constant of the expression πr² is π.