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BJP4 Exercise 3.10: area

Language/Type: Java Math method basics parameters return
Author: Marty Stepp (on 2016/09/08)

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

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This is a method problem. Write a Java method as described. Do not write a complete program or class; just the method(s) above.

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