Radius

Of length and diameter.   May also be referred to as r.

The length of a line segment between the center and circumference of a circle or sphere.

This concept's ID is @1~27971

Contains

  • semidiameter 0 facts

    The apparent radius of a celestial body when viewed as a disc from the earth.

  • radius of curvature 0 facts

    The radius of the circle of curvature; the absolute value of the reciprocal...