File:Sliding ladder in astroid.svg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	23:07, 5 July 2019	No thumbnail	512 × 512 (7 KB)	Cmglee	{{Information \|description ={{en\|1=The envelope of a ladder (coloured lines in the top-right quadrant) sliding down a wall, and its reflections (other quadrants) is an astroid. Its midpoint (small disks) traces out a circular arc (thick white circle) while other points (triangle and square) trace out elliptical arcs (thin white ellipses). In the SVG file, hover over a ladder to highlight it.}} \|date = \|source ={{own}} \|author =User:Cmglee }} [[Category:Interacti...

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Short title	sliding ladder in astroid
Image title	The envelope of a ladder (coloured lines in the top-right quadrant) sliding down a wall, and its reflections (other quadrants) is an astroid, as drawn by CMG Lee. Its midpoint (small disks) traces out a circular arc (thick white circle) while other points (triangle and square) trace out elliptical arcs (thin white ellipses). In the SVG file, hover over a ladder to highlight it.
Width	100%
Height	100%