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Database System Concepts
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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Java Netbeans

### Geometry: Area of a Regular Polygon A regular polygon is an *n*-sided polygon where all sides are of the same length, and all angles are equal (i.e., the polygon is both equilateral and equiangular). The formula to calculate the area of a regular polygon is: \[ \text{Area} = \frac{n \times s^2}{4 \times \tan\left(\frac{\pi}{n}\right)} \] where: - *n* is the number of sides. - *s* is the length of each side. #### Task Write a method that computes the area of a regular polygon using the following method header: ```java public static double area(int n, double side) ``` Additionally, create a main method that asks the user to input: - The number of sides. - The length of one side. Then, calculate and display the area of the polygon. #### Sample Run Here is an example of how the program should execute: - **Input:** - Number of sides: `5` - Side length: `6.5` - **Output:** - The area of the polygon is `72.69017017488385`.
Transcribed Image Text:### Geometry: Area of a Regular Polygon A regular polygon is an *n*-sided polygon where all sides are of the same length, and all angles are equal (i.e., the polygon is both equilateral and equiangular). The formula to calculate the area of a regular polygon is: \[ \text{Area} = \frac{n \times s^2}{4 \times \tan\left(\frac{\pi}{n}\right)} \] where: - *n* is the number of sides. - *s* is the length of each side. #### Task Write a method that computes the area of a regular polygon using the following method header: ```java public static double area(int n, double side) ``` Additionally, create a main method that asks the user to input: - The number of sides. - The length of one side. Then, calculate and display the area of the polygon. #### Sample Run Here is an example of how the program should execute: - **Input:** - Number of sides: `5` - Side length: `6.5` - **Output:** - The area of the polygon is `72.69017017488385`.
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