Android examples for java.lang:Math Formula
Formula to calculate trapezoid Area
import java.text.DecimalFormat; public class Main{ private static double result; public static double trapezoidArea(double base1, double base2, double height) throws InvalidInputException { if (base1 >= 0 && base2 >= 0 && height >= 0) { result = (height * (base1 + base2) / 2); return result; } else {/* ww w .ja v a2 s .c om*/ throw new InvalidInputException(); } } }