## Python code to calculate circle measurements
import math

def calculate_circle_from_radius(radius):
    diameter = 2 * radius
    circumference = 2 * math.pi * radius
    area = math.pi * radius ** 2
    return diameter, circumference, area

## Example usage:
radius = 5
d, c, a = calculate_circle_from_radius(radius)
print(f"Radius: {radius}")
print(f"Diameter: {d}")
print(f"Circumference: {c:.2f}")
print(f"Area: {a:.2f}")

// JavaScript code to calculate circle measurements
function calculateCircleFromDiameter(diameter) {
  const radius = diameter / 2;
  const circumference = Math.PI * diameter;
  const area = Math.PI * Math.pow(radius, 2);
  return { radius, circumference, area };
}

// Example usage:
const diameter = 10;
const { radius, circumference, area } = calculateCircleFromDiameter(diameter);
console.log(`Radius: ${radius}`);
console.log(`Diameter: ${diameter}`);
console.log(`Circumference: ${circumference.toFixed(2)}`);
console.log(`Area: ${area.toFixed(2)}`);

// Java code to calculate circle measurements
public class CircleCalculator {
    public static void calculateCircleFromCircumference(double circumference) {
        double radius = circumference / (2 * Math.PI);
        double diameter = 2 * radius;
        double area = Math.PI * Math.pow(radius, 2);

        System.out.printf("Radius: %.2f%n", radius);
        System.out.printf("Diameter: %.2f%n", diameter);
        System.out.printf("Circumference: %.2f%n", circumference);
        System.out.printf("Area: %.2f%n", area);
    }

    public static void main(String[] args) {
        double circumference = 31.42;
        calculateCircleFromCircumference(circumference);
    }
}

// C# code to calculate circle measurements
using System;

class CircleCalculator
{
    static void CalculateCircleFromArea(double area)
    {
        double radius = Math.Sqrt(area / Math.PI);
        double diameter = 2 * radius;
        double circumference = 2 * Math.PI * radius;

        Console.WriteLine($"Radius: {radius:F2}");
        Console.WriteLine($"Diameter: {diameter:F2}");
        Console.WriteLine($"Circumference: {circumference:F2}");
        Console.WriteLine($"Area: {area:F2}");
    }

    static void Main()
    {
        double area = 78.54;
        CalculateCircleFromArea(area);
    }
}

## Ruby code to calculate circle measurements
def calculate_circle_from_radius(radius)
  diameter = 2 * radius
  circumference = 2 * Math::PI * radius
  area = Math::PI * radius ** 2
  return diameter, circumference, area
end

## Example usage:
radius = 5.0
diameter, circumference, area = calculate_circle_from_radius(radius)
puts "Radius: #{radius}"
puts "Diameter: #{diameter}"
puts "Circumference: #{circumference.round(2)}"
puts "Area: #{area.round(2)}"

<?php
// PHP code to calculate circle measurements
function calculateCircleFromDiameter($diameter) {
    $radius = $diameter / 2;
    $circumference = pi() * $diameter;
    $area = pi() * pow($radius, 2);
    return array($radius, $circumference, $area);
}

// Example usage:
$diameter = 10.0;
list($radius, $circumference, $area) = calculateCircleFromDiameter($diameter);
echo "Radius: " . $radius . "\n";
echo "Diameter: " . $diameter . "\n";
echo "Circumference: " . round($circumference, 2) . "\n";
echo "Area: " . round($area, 2) . "\n";
?>

// Rust code to calculate circle measurements
fn calculate_circle_from_circumference(circumference: f64) -> (f64, f64, f64) {
    let radius = circumference / (2.0 * std::f64::consts::PI);
    let diameter = 2.0 * radius;
    let area = std::f64::consts::PI * radius.powi(2);
    (radius, diameter, area)
}

fn main() {
    let circumference = 31.42;
    let (radius, diameter, area) = calculate_circle_from_circumference(circumference);
    println!("Radius: {:.2}", radius);
    println!("Diameter: {:.2}", diameter);
    println!("Circumference: {:.2}", circumference);
    println!("Area: {:.2}", area);
}

// Go code to calculate circle measurements
package main

import (
    "fmt"
    "math"
)

func calculateCircleFromArea(area float64) (radius, diameter, circumference float64) {
    radius = math.Sqrt(area / math.Pi)
    diameter = 2 * radius
    circumference = 2 * math.Pi * radius
    return
}

func main() {
    area := 78.54
    radius, diameter, circumference := calculateCircleFromArea(area)
    fmt.Printf("Radius: %.2f\n", radius)
    fmt.Printf("Diameter: %.2f\n", diameter)
    fmt.Printf("Circumference: %.2f\n", circumference)
    fmt.Printf("Area: %.2f\n", area)
}

// Swift code to calculate circle measurements
import Foundation

func calculateCircleFromRadius(radius: Double) -> (diameter: Double, circumference: Double, area: Double) {
    let diameter = 2 * radius
    let circumference = 2 * Double.pi * radius
    let area = Double.pi * pow(radius, 2)
    return (diameter, circumference, area)
}

// Example usage:
let radius = 5.0
let results = calculateCircleFromRadius(radius: radius)
print("Radius: \(radius)")
print("Diameter: \(results.diameter)")
print("Circumference: \(String(format: "%.2f", results.circumference))")
print("Area: \(String(format: "%.2f", results.area))")

% MATLAB code to calculate circle measurements
function [radius, diameter, circumference, area] = calculateCircleFromRadius(radius)
    diameter = 2 * radius;
    circumference = 2 * pi * radius;
    area = pi * radius^2;
end

% Example usage:
radius = 5;
[~, diameter, circumference, area] = calculateCircleFromRadius(radius);
fprintf('Radius: %.2f\n', radius);
fprintf('Diameter: %.2f\n', diameter);
fprintf('Circumference: %.2f\n', circumference);
fprintf('Area: %.2f\n', area);

' Excel formula to calculate circle measurements from radius
' Assuming radius is in cell A1
Diameter: =2*A1
Circumference: =2*PI()*A1
Area: =PI()*A1^2