Geometry Crossword

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Across
  1. 2. when two figures have the same shape or size
  2. 4. when it can be divided into two identical halves
  3. 6. less than 90 degrees
  4. 7. the measurement of the total length around the outside of a shape
  5. 8. when measures add up to 180 degrees
  6. 10. total space taken up by a 2-D surface or shape
  7. 11. a combination of 2 half lines with common endpoints
  8. 12. three-dimensional figure with 6 square faces and 8 vertices
Down
  1. 1. any angle greater than 90 degrees
  2. 2. when measures add up to 90 degrees
  3. 3. 3-D shapes that has parallel bases and the same shape and size
  4. 5. angles that are formed in matching corners
  5. 6. the perpendicular drawn from the vertex of the triangle
  6. 7. a quadrilateral with opposite sides of parallel
  7. 9. lines that meet or intersect at exactly 90 degrees