crossword-G.MG.1

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Across
  1. 3. A 2D figure that has 3 sides and 3 vertices
  2. 5. the shorter side of a 2D figure
  3. 6. a mathematical constant used in math involving circles
  4. 7. the amount of space taken up by a 2D figure
  5. 9. the perimeter of a circle
  6. 10. the longer side in a 2D figure
  7. 12. solid figure generated by the straight lines that pass from a circle or other closed curve to a single point
  8. 14. The face of an object in which the height is perpendicular to
  9. 15. any line segment extending between a circle's center to its perimeter
  10. 16. A three-dimensional surface, all points of which are equidistant from a fixed point
  11. 18. Amount of space an object takes up
Down
  1. 1. A solid object where the base is a polygon and the sides are triangles which meet at the top
  2. 2. the sum of the surface areas of all a 3D figures' faces excluding the base of the solid
  3. 4. the total area of the surface of a 3D object
  4. 6. the distance around a 2D figure
  5. 8. A 2D figure that has 4 sides and 4 vertices
  6. 9. A solid geometric figure with straight parallel sides and a circular or oval section
  7. 11. Vertical distance from the top of an object or figure to its base
  8. 13. the set of all points in a plane a given distance from the center
  9. 17. A solid geometric figure whose two end faces are similar, equal, and parallel rectilinear figures, and whose sides are parallelograms