Mathtastic 2

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Across
  1. 4. (The amount of SPACE INSIDE a THREE-DIMENSIONAL SHAPE)
  2. 5. (Where RAYS of an ANGLE CONNECT)
  3. 7. (three-dimensional FORM of a SQUARE)
  4. 10. (Measures LESS THAN 90 DEGREES)
  5. 13. (CONNECTS TWO POINTS TOGETHER)
  6. 14. (Measures MORE THAN 90 DEGREES)
  7. 17. (Has NO congruent sides)
  8. 18. (The LOCATION on a COORDINATE GRID)
  9. 19. (A SUBJECT of MATH)
  10. 20. (HALF of the DIAMETER of a CIRCLE)
Down
  1. 1. (Has FIVE SIDES)
  2. 2. (INTERSECT creating 90 DEGREE ANGLES)
  3. 3. (The measurement AROUND a shape)
  4. 6. (Has TWO Congruent Sides)
  5. 8. (The measurement AROUND a CIRCLE)
  6. 9. (THREE-DIMENSIONAL FORM of a TRIANGLE)
  7. 11. (Has EIGHT sides)
  8. 12. (THREE-DIMENSIONAL FORM of a CIRCLE)
  9. 15. (The amount of SPACE INSIDE a TWO-DIMENSIONAL SHAPE)
  10. 16. (Passes through the ENTIRE circle)