Geometry Crossword Puzzle

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Across
  1. 3. Triangles/ Triangles that have no congruent sides
  2. 5. Angles/ Angles that make up 180 degrees
  3. 7. The distance around a circle
  4. 8. Face/ Any face that is not a base
  5. 11. Area/ The sum of all surfaces of a three-dimensional figures
  6. 12. Angles/ Angles that equal 90 degrees
  7. 13. Triangles/ Triangles with at least two congruent sides
Down
  1. 1. The amount of of liquid or solid that will fill a 3-Dimensional object
  2. 2. Angles/ Angles that are formed by two intersecting lines
  3. 4. Everything that is inside a flat shape
  4. 6. Triangle/ Triangles that only have one right angle(90 degrees)
  5. 9. Angles/ Angles that share a common vertex, sides and do not overlap
  6. 10. Triangles/ Triangles that have congruent sides