Geometric Construction 6

Construct the pair of orthogonal tangents of the cardioid.

1.gif (11340 bytes)

Construct the cardioid sliding on a pair of perpendicular lines.

2.gif (7318 bytes)

Construct the tangent to the deltoid lying within the curve.

3.gif (6470 bytes)

Construct a cardioid "tangent" to a fixed deltoid at three collinear points.

4.gif (9287 bytes)

Construct a deltoid sliding on a fixed cardioid.

14.gif (9374 bytes)

Construct the pair of orthogonal tangents of the deltoid

5.gif (9569 bytes)

Construct the deltoid sliding on a pair of perpendicular lines.

6.gif (5604 bytes)

Construct the deltoid sliding inside the astroid.

7.gif (9847 bytes)

Construct the deltoid sliding inside the nephroid.

8.gif (8516 bytes)

Construct the cardioid sliding inside the nephroid.

9.gif (11869 bytes)

Construct an animation of three concurrent tangents of the nephroid.

10.gif (12631 bytes)

Construct an animation displaying a cardioid sliding along three fixed concurrent lines meeting at 120 degrees.

11.gif (7638 bytes)

Construct an animation of three concurrent tangents of the astroid.

12.gif (12482 bytes)

Construct an animation displaying an astroid sliding along three fixed concurrent lines meeting at 120 degrees.

13.gif (9817 bytes)