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Radius vs Perimeter - What's the difference?

radius | perimeter |

As nouns the difference between radius and perimeter

is that radius is radius while perimeter is (mathematics) the sum of the distance of all the lengths of the sides of an object.

radius

English

Noun

(en-noun)
  • (anatomy) The long bone in the forearm, on the side of the thumb.
  • (zoology) The lighter bone (or fused portion of bone) in the forelimb of an animal.
  • (entomology) One of the major veins of the insect wing, between the subcosta and the media
  • (geometry) A line segment between any point on the circumference of a circle and its center/centre.
  • (geometry) The length of this line segment.
  • Synonyms

    * (vein of insect wing) R

    See also

    * ulna * semidiameter *

    perimeter

    Noun

    (en noun)
  • (mathematics) The sum of the distance of all the lengths of the sides of an object.
  • (mathematics) The length of such a boundary.
  • The outer limits of an area. See Synonyms at circumference.
  • A fortified strip or boundary usually protecting a military position.
  • An instrument for determining the extent and shape of the field of vision.
  • Synonyms

    * (given grounds) premises