7th grade math

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Across
  1. 2. are shapes that have three straight sides, three vertices and three angles.
  2. 4. is an educated guess based off of known information.
  3. 5. can be defined as the 3-dimensional space enclosed by a boundary or occupied by an object.
  4. 6. is formed when two rays are joined at their endpoints.
  5. 7. of a set of data is the sum of all the values divided by the number of values
Down
  1. 1. is a type of graph that is used in statistics. This kind of graph uses vertical bars to display quantitative data.
  2. 3. of a solid object is a measurement of the total area that the surface of the object occupies.