Q2: complete the function that returns the area of a circle with radius r, note, use math.pi for pi. : import math def circle_area(r): """calculate the area given radius r, use the variable named...

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Extracted text: Q2: complete the function that returns the area of a circle with radius r, note, use math.pi for pi. : import math def circle_area(r): """calculate the area given radius r, use the variable named 'area' to hold and return the correct value # your code here import math def circle_area(r): # calculate rae area = math.pi * r * r return area