Java program to calculate the area of an equilateral triangle
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Java program to calculate the area of an equilateral triangle. There are you will learn how to find the area of an equilateral triangle in the Java language.
Formula:
a = (sqrt(3) / 4) * (s * s)
Where:
a = area
s = side
Let us understand this example through the Java program:
// Java program to calculate the area of an equilateral triangle
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
System.out.println("Enter the side of an equilateral triangle::\n");
float s = in.nextFloat();
float a;
// s = side
// a = area
// Calculate area of equilateral triangle
a = (float)((Math.sqrt(3) / 4) * (s * s));
// Output
System.out.println("\nArea of the equilateral triangle = " + a + " sq. units\n");
}
}
Output:
Enter the side of an equilateral triangle::
7
Area of the equilateral triangle = 21.217623 sq. units