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50 lines
1.4 KiB
C++

#include <iostream>
#include <cmath>
#include <graphics.h>
using namespace std;
int main() {
int gd = DETECT, gm;
initgraph(&gd, &gm, "");
const int angleABD = 46;
const int angleCAD = 58;
int angleABC = 180 - angleABD - angleCAD;
setcolor(WHITE);
outtextxy(10, 10);
outtextxy(10, 30);
int x0 = 200, y0 = 200;
int radius = 100;
circle(x0, y0, radius);
int xA = x0 + radius * cos(angleCAD * M_PI / 180);
int yA = y0 - radius * sin(angleCAD * M_PI / 180);
int xB = x0 + radius * cos((angleCAD + angleABD) * M_PI / 180);
int yB = y0 - radius * sin((angleCAD + angleABD) * M_PI / 180);
int xC = x0 + radius * cos((angleCAD + angleABD + angleABC) * M_PI / 180);
int yC = y0 - radius * sin((angleCAD + angleABD + angleABC) * M_PI / 180);
int xD = x0 + radius * cos((angleCAD + angleABD + angleABC + angleCAD) * M_PI / 180);
int yD = y0 - radius * sin((angleCAD + angleABD + angleABC + angleCAD) * M_PI / 180);
putpixel(xA, yA, WHITE);
putpixel(xB, yB, WHITE);
putpixel(xC, yC, WHITE);
putpixel(xD, yD, WHITE);
line(xA, yA, xB, yB);
line(xB, yB, xC, yC);
line(xC, yC, xD, yD);
line(xD, yD, xA, yA);
char text[50];
sprintf(text, "Angle ABC = %d°", angleABC);
outtextxy(10, 50, text);
getch();
closegraph();
return 0;
}