math final

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Across
  1. 1. 180 degree angle
  2. 5. the measure of stuff in a container
  3. 7. the outside measurement
  4. 10. both bases are parallel
  5. 12. 2 sets of parallel lines and congruent lines
  6. 13. a part of a line
  7. 15. the foundation of a shape
  8. 16. a 3D circle
  9. 17. figure with three straight sides and angles.
  10. 18. measure of 90 degrees
  11. 19. the point of a angle
Down
  1. 2. 2 sides of the triangle are congruent
  2. 3. a 3D figure of 6 squares
  3. 4. the measurement of a surface or piece of land
  4. 6. measure of more than 90 degrees
  5. 8. all sides and angles are congruent
  6. 9. measure of less than 90 degrees
  7. 11. nothing on the triangle is congruent
  8. 13. four right angles and congruent sides
  9. 14. middle point of a line or segment