1## Calculate radius from diameter
2def radius_from_diameter(diameter):
3    if diameter <= 0:
4        raise ValueError("Diameter must be greater than zero.")
5    return diameter / 2
6
7## Example usage
8d = 10
9r = radius_from_diameter(d)
10print(f"The radius is {r} units.")
11

1// Calculate radius from diameter
2function radiusFromDiameter(diameter) {
3    if (diameter <= 0) {
4        throw new Error("Diameter must be greater than zero.");
5    }
6    return diameter / 2;
7}
8
9// Example usage
10let d = 10;
11let r = radiusFromDiameter(d);
12console.log(`The radius is ${r} units.`);
13

1public class CircleRadiusCalculator {
2    public static double radiusFromDiameter(double diameter) {
3        if (diameter <= 0) {
4            throw new IllegalArgumentException("Diameter must be greater than zero.");
5        }
6        return diameter / 2;
7    }
8
9    public static void main(String[] args) {
10        double d = 10;
11        double r = radiusFromDiameter(d);
12        System.out.printf("The radius is %.2f units.%n", r);
13    }
14}
15

1// Calculate radius from diameter
2#include <iostream>
3#include <stdexcept>
4
5double radiusFromDiameter(double diameter) {
6    if (diameter <= 0) {
7        throw std::invalid_argument("Diameter must be greater than zero.");
8    }
9    return diameter / 2.0;
10}
11
12int main() {
13    double d = 10.0;
14    try {
15        double r = radiusFromDiameter(d);
16        std::cout << "The radius is " << r << " units." << std::endl;
17    } catch (const std::exception& e) {
18        std::cerr << e.what() << std::endl;
19    }
20    return 0;
21}
22

1## Calculate radius from diameter
2radius_from_diameter <- function(diameter) {
3  if (diameter <= 0) {
4    stop("Diameter must be greater than zero.")
5  }
6  return(diameter / 2)
7}
8
9## Example usage
10d <- 10
11r <- radius_from_diameter(d)
12cat(sprintf("The radius is %.2f units.\n", r))
13

1## Calculate radius from diameter
2def radius_from_diameter(diameter)
3  raise ArgumentError, "Diameter must be greater than zero." if diameter <= 0
4  diameter / 2.0
5end
6
7## Example usage
8d = 10
9r = radius_from_diameter(d)
10puts "The radius is #{r} units."
11

1<?php
2// Calculate radius from diameter
3function radiusFromDiameter($diameter) {
4    if ($diameter <= 0) {
5        throw new Exception('Diameter must be greater than zero.');
6    }
7    return $diameter / 2;
8}
9
10// Example usage
11$d = 10;
12$r = radiusFromDiameter($d);
13echo "The radius is {$r} units.";
14?>
15

1// Calculate radius from diameter
2fn radius_from_diameter(diameter: f64) -> Result<f64, &'static str> {
3    if diameter <= 0.0 {
4        return Err("Diameter must be greater than zero.");
5    }
6    Ok(diameter / 2.0)
7}
8
9fn main() {
10    let d = 10.0;
11    match radius_from_diameter(d) {
12        Ok(r) => println!("The radius is {:.2} units.", r),
13        Err(e) => println!("{}", e),
14    }
15}
16

1import Foundation
2
3// Calculate radius from diameter
4func radiusFromDiameter(_ diameter: Double) throws -> Double {
5    if diameter <= 0 {
6        throw NSError(domain: "InvalidInput", code: 0, userInfo: [NSLocalizedDescriptionKey: "Diameter must be greater than zero."])
7    }
8    return diameter / 2.0
9}
10
11// Example usage
12do {
13    let d = 10.0
14    let r = try radiusFromDiameter(d)
15    print("The radius is \(r) units.")
16} catch {
17    print(error.localizedDescription)
18}
19

1import math
2
3## Calculate radius from circumference
4def radius_from_circumference(circumference):
5    if circumference <= 0:
6        raise ValueError("Circumference must be greater than zero.")
7    return circumference / (2 * math.pi)
8
9## Example usage
10C = 31.4159
11r = radius_from_circumference(C)
12print(f"The radius is {r:.2f} units.")
13

1// Calculate radius from circumference
2function radiusFromCircumference(circumference) {
3    if (circumference <= 0) {
4        throw new Error("Circumference must be greater than zero.");
5    }
6    return circumference / (2 * Math.PI);
7}
8
9// Example usage
10let C = 31.4159;
11let r = radiusFromCircumference(C);
12console.log(`The radius is ${r.toFixed(2)} units.`);
13

1public class CircleRadiusCalculator {
2    public static double radiusFromCircumference(double circumference) {
3        if (circumference <= 0) {
4            throw new IllegalArgumentException("Circumference must be greater than zero.");
5        }
6        return circumference / (2 * Math.PI);
7    }
8
9    public static void main(String[] args) {
10        double C = 31.4159;
11        double r = radiusFromCircumference(C);
12        System.out.printf("The radius is %.2f units.%n", r);
13    }
14}
15

1// Calculate radius from circumference
2#include <iostream>
3#include <cmath>
4#include <stdexcept>
5
6double radiusFromCircumference(double circumference) {
7    if (circumference <= 0) {
8        throw std::invalid_argument("Circumference must be greater than zero.");
9    }
10    return circumference / (2.0 * M_PI);
11}
12
13int main() {
14    double C = 31.4159;
15    try {
16        double r = radiusFromCircumference(C);
17        std::cout << "The radius is " << r << " units." << std::endl;
18    } catch (const std::exception& e) {
19        std::cerr << e.what() << std::endl;
20    }
21    return 0;
22}
23

1## Calculate radius from circumference
2radius_from_circumference <- function(circumference) {
3  if (circumference <= 0) {
4    stop("Circumference must be greater than zero.")
5  }
6  return(circumference / (2 * pi))
7}
8
9## Example usage
10C <- 31.4159
11r <- radius_from_circumference(C)
12cat(sprintf("The radius is %.2f units.\n", r))
13

1## Calculate radius from circumference
2def radius_from_circumference(circumference)
3  raise ArgumentError, "Circumference must be greater than zero." if circumference <= 0
4  circumference / (2 * Math::PI)
5end
6
7## Example usage
8C = 31.4159
9r = radius_from_circumference(C)
10puts "The radius is #{format('%.2f', r)} units."
11

1<?php
2// Calculate radius from circumference
3function radiusFromCircumference($circumference) {
4    if ($circumference <= 0) {
5        throw new Exception('Circumference must be greater than zero.');
6    }
7    return $circumference / (2 * M_PI);
8}
9
10// Example usage
11$C = 31.4159;
12$r = radiusFromCircumference($C);
13echo "The radius is " . round($r, 2) . " units.";
14?>
15

1use std::f64::consts::PI;
2
3// Calculate radius from circumference
4fn radius_from_circumference(circumference: f64) -> Result<f64, &'static str> {
5    if circumference <= 0.0 {
6        return Err("Circumference must be greater than zero.");
7    }
8    Ok(circumference / (2.0 * PI))
9}
10
11fn main() {
12    let C = 31.4159;
13    match radius_from_circumference(C) {
14        Ok(r) => println!("The radius is {:.2} units.", r),
15        Err(e) => println!("{}", e),
16    }
17}
18

1import Foundation
2
3// Calculate radius from circumference
4func radiusFromCircumference(_ circumference: Double) throws -> Double {
5    if circumference <= 0 {
6        throw NSError(domain: "InvalidInput", code: 0, userInfo: [NSLocalizedDescriptionKey: "Circumference must be greater than zero."])
7    }
8    return circumference / (2 * Double.pi)
9}
10
11// Example usage
12do {
13    let C = 31.4159
14    let r = try radiusFromCircumference(C)
15    print(String(format: "The radius is %.2f units.", r))
16} catch {
17    print(error.localizedDescription)
18}
19

1import math
2
3## Calculate radius from area
4def radius_from_area(area):
5    if area <= 0:
6        raise ValueError("Area must be greater than zero.")
7    return math.sqrt(area / math.pi)
8
9## Example usage
10A = 78.5398
11r = radius_from_area(A)
12print(f"The radius is {r:.2f} units.")
13

1// Calculate radius from area
2function radiusFromArea(area) {
3    if (area <= 0) {
4        throw new Error("Area must be greater than zero.");
5    }
6    return Math.sqrt(area / Math.PI);
7}
8
9// Example usage
10let A = 78.5398;
11let r = radiusFromArea(A);
12console.log(`The radius is ${r.toFixed(2)} units.`);
13

1public class CircleRadiusCalculator {
2    public static double radiusFromArea(double area) {
3        if (area <= 0) {
4            throw new IllegalArgumentException("Area must be greater than zero.");
5        }
6        return Math.sqrt(area / Math.PI);
7    }
8
9    public static void main(String[] args) {
10        double A = 78.5398;
11        double r = radiusFromArea(A);
12        System.out.printf("The radius is %.2f units.%n", r);
13    }
14}
15

1// Calculate radius from area
2#include <iostream>
3#include <cmath>
4#include <stdexcept>
5
6double radiusFromArea(double area) {
7    if (area <= 0) {
8        throw std::invalid_argument("Area must be greater than zero.");
9    }
10    return std::sqrt(area / M_PI);
11}
12
13int main() {
14    double A = 78.5398;
15    try {
16        double r = radiusFromArea(A);
17        std::cout << "The radius is " << r << " units." << std::endl;
18    } catch (const std::exception& e) {
19        std::cerr << e.what() << std::endl;
20    }
21    return 0;
22}
23

1## Calculate radius from area
2radius_from_area <- function(area) {
3  if (area <= 0) {
4    stop("Area must be greater than zero.")
5  }
6  return(sqrt(area / pi))
7}
8
9## Example usage
10A <- 78.5398
11r <- radius_from_area(A)
12cat(sprintf("The radius is %.2f units.\n", r))
13

1% Calculate radius from area
2function r = radius_from_area(area)
3    if area <= 0
4        error('Area must be greater than zero.');
5    end
6    r = sqrt(area / pi);
7end
8
9% Example usage
10A = 78.5398;
11r = radius_from_area(A);
12fprintf('The radius is %.2f units.\n', r);
13

1using System;
2
3class CircleRadiusCalculator
4{
5    public static double RadiusFromArea(double area)
6    {
7        if (area <= 0)
8            throw new ArgumentException("Area must be greater than zero.");
9        return Math.Sqrt(area / Math.PI);
10    }
11
12    static void Main()
13    {
14        double A = 78.5398;
15        double r = RadiusFromArea(A);
16        Console.WriteLine("The radius is {0:F2} units.", r);
17    }
18}
19

1package main
2
3import (
4	"fmt"
5	"math"
6)
7
8func radiusFromArea(area float64) (float64, error) {
9	if area <= 0 {
10		return 0, fmt.Errorf("Area must be greater than zero.")
11	}
12	return math.Sqrt(area / math.Pi), nil
13}
14
15func main() {
16	A := 78.5398
17	r, err := radiusFromArea(A)
18	if err != nil {
19		fmt.Println(err)
20		return
21	}
22	fmt.Printf("The radius is %.2f units.\n", r)
23}
24

1## Calculate radius from area
2def radius_from_area(area)
3  raise ArgumentError, "Area must be greater than zero." if area <= 0
4  Math.sqrt(area / Math::PI)
5end
6
7## Example usage
8A = 78.5398
9r = radius_from_area(A)
10puts "The radius is #{format('%.2f', r)} units."
11

1<?php
2// Calculate radius from area
3function radiusFromArea($area) {
4    if ($area <= 0) {
5        throw new Exception('Area must be greater than zero.');
6    }
7    return sqrt($area / M_PI);
8}
9
10// Example usage
11$A = 78.5398;
12$r = radiusFromArea($A);
13echo "The radius is " . round($r, 2) . " units.";
14?>
15

1use std::f64::consts::PI;
2
3// Calculate radius from area
4fn radius_from_area(area: f64) -> Result<f64, &'static str> {
5    if area <= 0.0 {
6        return Err("Area must be greater than zero.");
7    }
8    Ok((area / PI).sqrt())
9}
10
11fn main() {
12    let A = 78.5398;
13    match radius_from_area(A) {
14        Ok(r) => println!("The radius is {:.2} units.", r),
15        Err(e) => println!("{}", e),
16    }
17}
18

1import Foundation
2
3// Calculate radius from area
4func radiusFromArea(_ area: Double) throws -> Double {
5    if area <= 0 {
6        throw NSError(domain: "InvalidInput", code: 0, userInfo: [NSLocalizedDescriptionKey: "Area must be greater than zero."])
7    }
8    return sqrt(area / Double.pi)
9}
10
11// Example usage
12do {
13    let A = 78.5398
14    let r = try radiusFromArea(A)
15    print(String(format: "The radius is %.2f units.", r))
16} catch {
17    print(error.localizedDescription)
18}
19

1## Calculate radius from diameter in cell B1
2=IF(B1>0, B1/2, "Invalid input")
3
4## Calculate radius from circumference in cell B2
5=IF(B2>0, B2/(2*PI()), "Invalid input")
6
7## Calculate radius from area in cell B3
8=IF(B3>0, SQRT(B3/PI()), "Invalid input")
9