Java Program for Program to find area of a circle
Area of a circle can simply be evaluated using following formula.
Area = pi * r2
where r is radius of circle
Java
class Test
{
static final double PI = Math.PI;
static double findArea( int r)
{
return PI * Math.pow(r, 2 );
}
public static void main(String[] args)
{
System.out.println( "Area is " + findArea( 5 ));
}
}
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Time Complexity: O(log n) since using inbuilt Math.pow function
Auxiliary Space : O(1)
Please refer complete article on Program to find area of a circle for more details!
Last Updated :
24 Jul, 2022
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