I though I need to start a huge numerical search.... but not!
Of course not!!
Specific Element Count
Rotate input square matrix 90 degrees CCW without rot90
Perfect Square or not
Solving Quadratic Equations (Version 1)
Calculate area of sector
Number Puzzle - 035
Polygon in a unit circle
Number Puzzle - 093
A Simple Shielding Problem
Area Conversion 2
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