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  1. #include<iostream>
  2. #include<cmath>
  3. #include "parallelogram.h"
  4. using namespace std;
  5.  
  6. Parallelogram::Parallelogram():Quadrilateral()
  7. {
  8. 	a = Point(-5,-1);
  9. 	b = Point(4,-1);
  10. 	c = Point(6,4);
  11. 	d = Point(-3,4);
  12. }
  13.  
  14. Parallelogram::Parallelogram(Point &p1, Point &p2, Point &p3, Point &p4):
  15. 			Quadrilateral(p1,p2,p3,p4)
  16. {
  17. 	validate();
  18. }
  19.  
  20. void Parallelogram::SetAll(Point &p1, Point &p2, Point &p3, Point &p4)
  21. {
  22. 	Quadrilateral::SetAll(p1,p2,p3,p4);
  23. 	validate();
  24. }
  25.  
  26. double Parallelogram::Perimeter()
  27. {
  28. 	double side1 = a.Distance(b);
  29. 	double side2 = b.Distance(c);
  30. 	double side3 = c.Distance(d);
  31. 	double side4 = d.Distance(a);
  32. 	return(side1 + side2 + side3 + side4);
  33. }
  34.  
  35. double Parallelogram::Area()
  36. {
  37. 	double side1 = a.Distance(b);
  38. 	double side2 = b.Distance(c);
  39. 	double side3 = c.Distance(d);
  40. 	double side4 = d.Distance(a);
  41. 	double shortLeg = (side1 - side3)/2;
  42. 	double height = sqrt((side4 * side4) - (shortLeg * shortLeg));
  43. 	return(height * side1);
  44. }
  45.  
  46. void Parallelogram::Print()
  47. {
  48. 	cout << "I'm a Parallelogram" << endl;
  49. 	Quadrilateral::Print();
  50. }
  51.  
  52.  
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
prog.cpp:3:27: fatal error: parallelogram.h: No such file or directory
 #include "parallelogram.h"
                           ^
compilation terminated.
stdout
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Standard output is empty
https://ideone.com/sJRzkg
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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