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Language/Type: VB parameters return

Write a function named CircleArea that accepts the radius of a circle as a parameter (as a real number) and returns the area of a circle with that radius. For example, the call of CircleArea(2.0) should return 12.566370614359172. You may assume that the radius passed is a non-negative number.

Function: Write a VB function as described, not a complete program.

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