Space and Geometry

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Across
  1. 2. angle an angle that measures 90 degrees
  2. 4. is a point where two or more straight lines meet.
  3. 5. an individual surface of a solid object.
  4. 8. is a polyhedron for which the base is a polygon and all lateral faces are triangles.
  5. 9. A unit of measurement of angles
Down
  1. 1. angle an angle that measures more than 90 degrees but less than 180 degrees
  2. 3. the plural of vertex
  3. 6. angle an angle that is less than 90 degrees
  4. 7. a polyhedron for which the top and bottom faces (known as the bases) are congruent polygons, and all other faces are rectangles.
  5. 10. a line segment that joins two vertices.