Math Vocabulary

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Across
  1. 5. a straight path that extends forever
  2. 7. the complete measurement around a circle, estimated to be around 3.14
  3. 8. when a triangle has no equal sides
  4. 9. A line that does not go straight down a circle but still goes through the circle, usually smaller
  5. 12. Two lines that meet once at 90 degrees then never meet again
  6. 14. half the diameter of a circle
  7. 15. When an angle is less than 90 degrees
Down
  1. 1. two angles that add to 90 degrees are
  2. 2. a kind of triangle that has two equal sides
  3. 3. a kind of triangle where all sides are equal
  4. 4. a straight line going directly in the middle of circle
  5. 6. When an angle is exactly 90 degrees
  6. 10. When an angle is bigger than 90 degrees
  7. 11. Two similar lines that never intercept
  8. 13. A unit used to measure distances around a circle