Geometry

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Across
  1. 3. the minimum number of coordinates needed to specify any point within it
  2. 5. the process or the result of determining the magnitude of a quantity, such as length or mass, relative to a unit of measurement, such as a meter or a kilogram
  3. 7. a notation used in science, engineering and mathematics
  4. 8. quantity that expresses the extent of a two-dimensional surface or shape, or planar lamina, in the plane
Down
  1. 1. an entity that has a location in space or on a plane, but has no extent
  2. 2. quantity of three-dimensional space enclosed by some closed boundary
  3. 4. the process of establishing the magnitude of some attribute of an object relative to some unit of measurement
  4. 6. figure formed by two rays or line segments, called the sides of the angle, sharing a common endpoint, called the vertex of the angle