Construct an animation showing the tangent sweeping out the interior of astroid.
建构一动态绘图:展示星状线的切线所有扫掠过的内部轨迹.
互联网
Construct rotating cardioid and astroid while remaining orthogonal to each other.
作旋转的心脏线和旋转的星状线,且彼此维持正交.
互联网
Construct an animation of three concurrent tangents of the astroid.
建构一动态绘图:展示星状线共点的三切线.
互联网
Construct a linkage to draw the astroid.
建构一连杆绘制星状线.
互联网
Construct an animation displaying an astroid sliding along three fixed concurrent lines meeting at 120 degrees.
建构一动态绘图:展示星状线的滚动,沿著共点及间隔120度的三切线.
互联网