Which of the following code segments will compile with no errors and display the correct length of a diagonal in a regular pentagon with side 3.0? I Pentagon p = new Pentagon (3); System.out printin(p.-getDiagonalLength(); II. System.out.printin(3.0* Pentagon.goldenRatio); III. System.out.println(3/2 * (1 + Math sqrt (5.0));

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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In a regular pentagon, the ratio of the length of a diagonal to the length of a side is equal to the Golden Ratio (defined as N 1.618 ) consider the following class Pentagon, which represents a regular pentagon.
public class Pentagon
public static final double goldenRatio =(1+ Math.sqrt (5.0))2;
private double side:
public Pentagon (double x)
{
side =x;
}
public double getDiagonalLength)
return side * goldenRatio;
}
Which of the following code segments will compile with no errors and display the correct length of a diagonal in a regular pentagon with side 3.0?
I Pentagon p = new Pentagon (3);
System.out.printin(p.getDiagonalLength0);
II. System.out.printin(3.0* Pentagon.goldenRatio);
III. System.out.println(3/2 * (1+Math sqrt (5.0);
III only
I only
II only
II and III only
I and II only
Transcribed Image Text:In a regular pentagon, the ratio of the length of a diagonal to the length of a side is equal to the Golden Ratio (defined as N 1.618 ) consider the following class Pentagon, which represents a regular pentagon. public class Pentagon public static final double goldenRatio =(1+ Math.sqrt (5.0))2; private double side: public Pentagon (double x) { side =x; } public double getDiagonalLength) return side * goldenRatio; } Which of the following code segments will compile with no errors and display the correct length of a diagonal in a regular pentagon with side 3.0? I Pentagon p = new Pentagon (3); System.out.printin(p.getDiagonalLength0); II. System.out.printin(3.0* Pentagon.goldenRatio); III. System.out.println(3/2 * (1+Math sqrt (5.0); III only I only II only II and III only I and II only
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