Решение задачи Begin 30

#include <iostream>
using namespace std;
int main(){
	const double pi=3.14;
	double a_r,a_g;
	cout << "Vvedite znacheniye ugla v radianakh: ";
	cin >> a_r;
	// 180 gradusov = pi => pi = 180 gradusov => 1 rad = 180 gradusov/pi => n rad = n*180 gradusov/pi.
	a_g = a_r*180/pi;
	cout << "Znacheniye ugla v gradusakh: " << a_g << "." << endl;
	return 0;
}

import random
import math

radian = random.uniform(0, 2*math.pi)
#radian = math.pi/2
degree = radian * 180 / math.pi
print("Radians = ",radian)
print("Degree = ",degree)
									

program Begin30;
var
  a, degree: Real;
begin
  Write('Введите значение угла в радианах: ');
  Readln(a);
  degree:=180*a/3.14;
  Writeln('Значение угла в градусах : ',degree);
end.