import java.util.Scanner;
public class polygon {
/** Main Method */
public static void main(String[] args) {
Scanner input = new Scanner(System.in); // Create a Scanner
// Prompt the user to enter the number of sides
// and the side of a regular polygon
System.out.print("Enter the number of sides: ");
int n = input.nextInt();
System.out.print("Enter the side: ");
double side = input.nextDouble();
// Display the area of the regular polygon
System.out.println("The area of the polygon is " + area(n, side));
}
/** Method area computes and returns the area of a regular polygon */
public static double area(int n, double side) {
return (n * Math.pow(side, 2) / (4 * Math.tan(Math.PI / n)));
}
}
Answer:
answer a
Explanation:
sorry it’s for the points
Answer:A keyboard layout is any specific physical, visual or functional arrangement of the keys, legends, or key-meaning associations of a computer keyboard, mobile phone, or other computer-controlled typographic keyboard.
An output device is any peripheral that receives data from a computer, usually for display, projection
A printer is an output device that prints paper documents. This includes text documents, images, or a combination of both
Laser Printers and LED printers
Explanation:
Answer:
Explanation:
#include <stdio.h>
int main(void)
{
int num, rem;
printf("Enter a number: ");
scanf("%d", &num);
printf("Roman numerals: ");
while(num != 0)
{
if (num >= 1000) // 1000 - m
{
printf("m");
num -= 1000;
}
else if (num >= 900) // 900 - cm
{
printf("cm");
num -= 900;
}
else if (num >= 500) // 500 - d
{
printf("d");
num -= 500;
}
else if (num >= 400) // 400 - cd
{
printf("cd");
num -= 400;
}
else if (num >= 100) // 100 - c
{
printf("c");
num -= 100;
}
else if (num >= 90) // 90 - xc
{
printf("xc");
num -= 90;
}
else if (num >= 50) // 50 - l
{
printf("l");
num -= 50;
}
else if (num >= 40) // 40 - xl
{
printf("xl");
num -= 40;
}
else if (num >= 10) // 10 - x
{
printf("x");
num -= 10;
}
else if (num >= 9) // 9 - ix
{
printf("ix");
num -= 9;
}
else if (num >= 5) // 5 - v
{
printf("v");
num -= 5;
}
else if (num >= 4) // 4 - iv
{
printf("iv");
num -= 4;
}
else if (num >= 1) // 1 - i
{
printf("i");
num -= 1;
}
}
return 0;
}
