// Trapezoid.java
// Class Trapezoid definition

public class Trapezoid extends Quadrilateral {
	private double height; // height of trapezoid

	// eight-argument constructor
	public Trapezoid( double x1, double y1, double x2, double y2, double x3, double y3, double x4, double y4 ){
 		super( x1, y1, x2, y2, x3, y3, x4, y4 );
 	} // end of eight-argument Trapezoid constructor

 	// return height
 	public double getHeight() {
 		if ( getPoint1().getY() == getPoint2().getY() )
 			return Math.abs( getPoint2().getY() - getPoint3().getY() );
 		else
 			return Math.abs( getPoint1().getY() - getPoint2().getY() );
 		} // end method getHeight

 	// return area
 	public double getArea() {
 		return getSumOfTwoSides() * getHeight() / 2.0;
 	} // end method getArea

 	// return the sum of the trapezoid's two sides
 	public double getSumOfTwoSides() {
 		if ( getPoint1().getY() == getPoint2().getY() ) {
			System.out.println("AA" +getPoint1().getY());
			System.out.println("BB" +getPoint2().getY());
 			return Math.abs( getPoint1().getX() - getPoint2().getX() ) + Math.abs( getPoint3().getX() - 					getPoint4().getX() );
			
		}
 		else{
 			return Math.abs( getPoint2().getX() - getPoint3().getX() ) +
 			Math.abs( getPoint4().getX() - getPoint1().getX() );
		}
 	} // end method getSumOfTwoSides

 	// return string representation of Trapezoid object
 	public String toString() {
 		return String.format( "\n%s:\n%s%s: %s\n%s: %s\n", "Coordinates of Trapezoid are", getCoordinatesAsString(),

		"Height is", getHeight(), "Area is", getArea() );
 	} // end method toString
 } // end class Trapezoid