Deltoid curve

#	Item
1	Solutions to last issue’s Mathsnacks Coin Puzzles by Burkard Polster, Marty Ross and QED (the cat) Keeping the circle attached to one end of the Add to Reading List Source URL: www.qedcat.com Language: English - Date: 2009-12-04 22:21:47 Coin Centered trochoid Deltoid curve Geometry Curves Circle
2	VINCULUM VOLUME 43 NUMBER 2 MARCH[removed]MathSnacks Rolling, Rolling, Rolling Add to Reading List Source URL: www.qedcat.com Language: English - Date: 2009-12-04 22:21:40 Astroid Cycloid Deltoid curve Nephroid Circle Ellipse Hypocycloid Gallery of curves Geometry Curves Algebraic geometry
3	Deltoid as locus of orthopoles Avni Pllana Let ABC be an arbitrary triangle, and let P be an arbitrary point on the circumcircle of triangle ABC, see Fig. 1. Add to Reading List Source URL: trisectlimacon.webs.com Language: English Circumscribed circle Nine-point circle Triangle Circle Tangent Deltoid curve Medial triangle Geometry Triangle geometry Simson line
4	Astroid 1 Add to Reading List Source URL: virtualmathmuseum.org Language: English - Date: 2007-03-08 14:07:38 Astroid Hypocycloid Evolute Deltoid curve Parallel curve Envelope Osculating circle Tangent Cycloid Geometry Curves Differential geometry