1// JavaScript code to calculate circle measurements
2function calculateCircleFromDiameter(diameter) {
3  const radius = diameter / 2;
4  const circumference = Math.PI * diameter;
5  const area = Math.PI * Math.pow(radius, 2);
6  return { radius, circumference, area };
7}
8
9// Example usage:
10const diameter = 10;
11const { radius, circumference, area } = calculateCircleFromDiameter(diameter);
12console.log(`Radius: ${radius}`);
13console.log(`Diameter: ${diameter}`);
14console.log(`Circumference: ${circumference.toFixed(2)}`);
15console.log(`Area: ${area.toFixed(2)}`);
16

1// Java code to calculate circle measurements
2public class CircleCalculator {
3    public static void calculateCircleFromCircumference(double circumference) {
4        double radius = circumference / (2 * Math.PI);
5        double diameter = 2 * radius;
6        double area = Math.PI * Math.pow(radius, 2);
7
8        System.out.printf("Radius: %.2f%n", radius);
9        System.out.printf("Diameter: %.2f%n", diameter);
10        System.out.printf("Circumference: %.2f%n", circumference);
11        System.out.printf("Area: %.2f%n", area);
12    }
13
14    public static void main(String[] args) {
15        double circumference = 31.42;
16        calculateCircleFromCircumference(circumference);
17    }
18}
19

1// C# code to calculate circle measurements
2using System;
3
4class CircleCalculator
5{
6    static void CalculateCircleFromArea(double area)
7    {
8        double radius = Math.Sqrt(area / Math.PI);
9        double diameter = 2 * radius;
10        double circumference = 2 * Math.PI * radius;
11
12        Console.WriteLine($"Radius: {radius:F2}");
13        Console.WriteLine($"Diameter: {diameter:F2}");
14        Console.WriteLine($"Circumference: {circumference:F2}");
15        Console.WriteLine($"Area: {area:F2}");
16    }
17
18    static void Main()
19    {
20        double area = 78.54;
21        CalculateCircleFromArea(area);
22    }
23}
24

1## Ruby code to calculate circle measurements
2def calculate_circle_from_radius(radius)
3  diameter = 2 * radius
4  circumference = 2 * Math::PI * radius
5  area = Math::PI * radius ** 2
6  return diameter, circumference, area
7end
8
9## Example usage:
10radius = 5.0
11diameter, circumference, area = calculate_circle_from_radius(radius)
12puts "Radius: #{radius}"
13puts "Diameter: #{diameter}"
14puts "Circumference: #{circumference.round(2)}"
15puts "Area: #{area.round(2)}"
16

1<?php
2// PHP code to calculate circle measurements
3function calculateCircleFromDiameter($diameter) {
4    $radius = $diameter / 2;
5    $circumference = pi() * $diameter;
6    $area = pi() * pow($radius, 2);
7    return array($radius, $circumference, $area);
8}
9
10// Example usage:
11$diameter = 10.0;
12list($radius, $circumference, $area) = calculateCircleFromDiameter($diameter);
13echo "Radius: " . $radius . "\n";
14echo "Diameter: " . $diameter . "\n";
15echo "Circumference: " . round($circumference, 2) . "\n";
16echo "Area: " . round($area, 2) . "\n";
17?>
18

1// Rust code to calculate circle measurements
2fn calculate_circle_from_circumference(circumference: f64) -> (f64, f64, f64) {
3    let radius = circumference / (2.0 * std::f64::consts::PI);
4    let diameter = 2.0 * radius;
5    let area = std::f64::consts::PI * radius.powi(2);
6    (radius, diameter, area)
7}
8
9fn main() {
10    let circumference = 31.42;
11    let (radius, diameter, area) = calculate_circle_from_circumference(circumference);
12    println!("Radius: {:.2}", radius);
13    println!("Diameter: {:.2}", diameter);
14    println!("Circumference: {:.2}", circumference);
15    println!("Area: {:.2}", area);
16}
17

1// Go code to calculate circle measurements
2package main
3
4import (
5    "fmt"
6    "math"
7)
8
9func calculateCircleFromArea(area float64) (radius, diameter, circumference float64) {
10    radius = math.Sqrt(area / math.Pi)
11    diameter = 2 * radius
12    circumference = 2 * math.Pi * radius
13    return
14}
15
16func main() {
17    area := 78.54
18    radius, diameter, circumference := calculateCircleFromArea(area)
19    fmt.Printf("Radius: %.2f\n", radius)
20    fmt.Printf("Diameter: %.2f\n", diameter)
21    fmt.Printf("Circumference: %.2f\n", circumference)
22    fmt.Printf("Area: %.2f\n", area)
23}
24

1// Swift code to calculate circle measurements
2import Foundation
3
4func calculateCircleFromRadius(radius: Double) -> (diameter: Double, circumference: Double, area: Double) {
5    let diameter = 2 * radius
6    let circumference = 2 * Double.pi * radius
7    let area = Double.pi * pow(radius, 2)
8    return (diameter, circumference, area)
9}
10
11// Example usage:
12let radius = 5.0
13let results = calculateCircleFromRadius(radius: radius)
14print("Radius: \(radius)")
15print("Diameter: \(results.diameter)")
16print("Circumference: \(String(format: "%.2f", results.circumference))")
17print("Area: \(String(format: "%.2f", results.area))")
18

1% MATLAB code to calculate circle measurements
2function [radius, diameter, circumference, area] = calculateCircleFromRadius(radius)
3    diameter = 2 * radius;
4    circumference = 2 * pi * radius;
5    area = pi * radius^2;
6end
7
8% Example usage:
9radius = 5;
10[~, diameter, circumference, area] = calculateCircleFromRadius(radius);
11fprintf('Radius: %.2f\n', radius);
12fprintf('Diameter: %.2f\n', diameter);
13fprintf('Circumference: %.2f\n', circumference);
14fprintf('Area: %.2f\n', area);
15

1' Excel formula to calculate circle measurements from radius
2' Assuming radius is in cell A1
3Diameter: =2*A1
4Circumference: =2*PI()*A1
5Area: =PI()*A1^2
6