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It's the radius of a circle or sphere WITH A SHELL(or Thickness); like if an Lid on a jar had a diameter of 11mm across on the outside (top of lid); and was ONE mm thick,
then the inside radius would be 5. ie; 11mm outer diameter, minus (-) 1mm thickness (aka; or shell) equals (=) 10mm (inner) diameter; which is a 5mm radius.
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Earn +20 ptsQ: What do you mean by internal radius?
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Continue Learning about Geometry
What does raduis mean?
== A radius is half of diameter,the formula of radius== d/2 ===
What does radius squared mean?
Radius times two (r x r)
What does radius mean in geometry?
The radius is any point on the surface of the circle to the center of the circle.
What is geometric mean radius?
The radius is the distance between the centre of a circular arc and a point on the arc.
What does a r with a circle around it mean?
radius
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