PLANE
LINEAR CALCULATOR AREACALCULATOR in centimeters, I don't know if it makes a difference CHORD/CIRCUMFERENCE CALC by Jeff LeMieux (this guy is good!). AREA OF REGULAR N-SIDED POLYGON
AREACALCULATOR in centimeters, I don't know if it makes a difference
CHORD/CIRCUMFERENCE CALC by Jeff LeMieux (this guy is good!).
AREA OF REGULAR N-SIDED POLYGON
VOLUMES