Question

15)In the formula, area of circle =tr>, the numerical constant of the expression or is olahraic expressions and​

Answer 1

Step-by-step explanation:

In the expression πr

2

,r is a variable.

∙ π is a numerical constant, because it's value does not change even if the value of the variable r changes.

Hence, the numerical constant of the expression πr 2 is π

it's Isha