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  1. import java.util.*;
  2.  
  3. class triangle {
  4.  
  5.     public static void main(String[] args) {
  6.         Scanner in = new Scanner(System.in);
  7.         double a = in.nextDouble();
  8.         double b = in.nextDouble();
  9.         double c = in.nextDouble();
  10.             double p = (a + b + c) / 2;
  11.             double S = Math.sqrt(p * (p - a) * (p - b) * (p - c)); //формула Герона
  12.             double r = S / p;
  13.             double R = a * b * c / (4 * S);
  14.             System.out.println("Радиус вписанной окружности равен " + r);
  15.             System.out.println("Радиус вписанной окружности равен " + R);
  16.     }
  17. }
Success #stdin #stdout 0.08s 4575232KB
comments (?)
stdin 
7.5 10 13
stdout 
Радиус вписанной окружности равен 2.450117093220608
Радиус вписанной окружности равен 6.5236092599831865
https://ideone.com/7dwaxk
1.l Java
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
public

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