◎◎◎ shape ⪢⪢
A _____ is a simple form like a square or circle.
http://qindex.info/i.php?x=14323
○○○ lenticular ⪢⪢
Lenticular galaxies are galaxies that appear to have a circle-like appearance. → lentil #astronomy
http://qindex.info/i.php?x=20574
 11 Circles: Radius, Diameter, Chords, Circumference, and Sectors
Circles: Radius, Diameter, Chords, Circumference, and Sectors
http://qindex.info/i.php?x=5011
 03 The Easiest Way to Memorize the Trigonometric Unit Circle
The Easiest Way to Memorize the Trigonometric Unit Circle
http://qindex.info/i.php?x=5022
 09 Circles, What Is PI?
Math Antics - Circles, What Is PI?
http://qindex.info/i.php?x=5160
 10 Circles, Circumference And Area
Math Antics - Circles, Circumference And Area
http://qindex.info/i.php?x=5161
 33 Graphing Conic Sections Part 1: Circles
Graphing Conic Sections Part 1: Circles
http://qindex.info/i.php?x=5264
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