The radius of the circle of which the arc is a part. See Radius of an Arc for ways to calculate the arc radius when you know other properties of the arc. Central Angle. The angle subtended by the arc to the center of the circle of which it is a part.
Animal Symbolism: Meaning of the Cat. A Look at the Symbolic Meaning of Cats. As an ancient symbolic Celtic animal, the cat represents the guardian of the Otherworld (or Underworld, depending which texts you read from various regions).Stoic, silent and mysterious, cats fit the bill of Otherworld guardians quite well.nimal Symbolism: Meaning of the Cat. A Look at the Symbolic Meaning of Cats. As an ancient symbolic Celtic animal, the cat represents the guardian of the Otherworld (or Underworld, depending which texts you read from various regions).
Black cat. Many cultures have superstitions about black cats, often ascribing either good luck or bad luck to them. Historically, black cats were symbolically associated with witchcraft and evil. In Hebrew and Babylonian folklore, cats are compared to serpents, coiled on a hearth.