FAQ

What is the Diameter D?
The Diameter D refers to straight line passing from side to side through the center of a body or figure, especially a circle or sphere. Diameter D is usually measured using the Meter for Length. Note that the value of Diameter D is always positive.
Can the Diameter D be negative?
No, the Diameter D, measured in Length cannot be negative.
What unit is used to measure Diameter D?
Diameter D is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Diameter D can be measured.
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