See Section 13.8.4 for equilateral triangles in the plane.
The equilateral_triangle command returns and draws equilateral triangles.
Examples.
| A:= point(0,0,0); |
| B:= point(3,3,3); |
| P:= point(0,0,3) |
| equilateral_triangle(A,B,P) |
| A:= point(0,0,0); |
| B:= point(3,3,3); |
| P:= point(0,0,3) |
| equilateral_triangle(A,B,P,C) |
| simplify(coordinates(C)) |
| ⎡ ⎢ ⎢ ⎣ |
| , |
| , |
| ⎤ ⎥ ⎥ ⎦ |