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- .geometry "version 0.1";
- v1 = .free(-0.49658, -0.354309, "1");
- v2 = .free(-0.077975, 0.45554, "2");
- v3 = .free(0.556772, -0.611491, "3");
- l1 = .l.vv(v1, v2, .magenta);
- l2 = .l.vv(v2, v3, .magenta);
- l3 = .l.vv(v3, v1, .magenta);
- v4 = .v.vvmid(v1, v2, .invisible);
- v5 = .v.vvmid(v2, v3, .invisible);
- l4 = .l.vlperp(v4, l1, .invisible, .longline);
- l5 = .l.vlperp(v5, l2, .invisible);
- v7 = .v.ll(l4, l5, "Ctr");
- l6 = .l.vlperp(v2, l3, .yellow, .longline);
- l7 = .l.vlperp(v1, l2, .yellow, .longline);
- v8 = .v.ll(l7, l6, .yellow, "Alt");
- c2 = .c.vvv(v3, v2, v1);
- l8 = .l.vlperp(v3, l1, .yellow, .longline);
- v9 = .v.vvmid(v1, v3, .invisible);
- l9 = .l.vv(v2, v9, .green);
- l10 = .l.vv(v3, v4, .green);
- l11 = .l.vv(v1, v5, .green);
- v10 = .v.ll(l9, l10, .green, "Med");
- l12 = .l.vv(v8, v10, .red);
- l13 = .l.vv(v10, v7, .red);
- l14 = .l.vv(v7, v8, .red);
- .text("The Euler Line:");
- .text("");
- .text("Given a triangle 123, the intersections of the three altitudes, the");
- .text("intersection of the three medians, and the center of the circumscribed");
- .text("circle all lie on a line (the Euler line). In addition, the intersection");
- .text("of the medians always lies between the other two, and the distance from");
- .text("that point to the center of the circumscribed circle is always half the");
- .text("distance to the intersection of the altitudes.");
-