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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

Problem 1PE

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Question

A regular polygon is an n-sided polygon
in which all sides are of the same length and all angles have the same degree (i.e.,
the polygon is both equilateral and equiangular). The formula for computing the
area of a regular polygon is given below:

Write a method that returns the area of a regular polygon using the following header:
public static double area(int n, double side)
Write a main method that prompts the user to enter the number of sides and the
side of a regular polygon and displays its area. Here is a sample run:

Enter the number of sides: 5 ↵Enter
Enter the side: 6.5 ↵Enter
The area of the polygon is 72.69017017488385

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