Geometry

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Across
  1. 2. A line that extends from a point in one direction
  2. 3. Two angles whose sum is 180 degrees.
  3. 7. What does a mathematician use to plow a field?
  4. 9. An angle that is greater than 90 degrees, but less that 180 degrees
  5. 10. An angle that is less than 90 degrees.
  6. 11. Each of the pairs of opposite angels made by two intersecting lines.
  7. 12. Two angles that have a common vertex and a common side are called this.
  8. 13. A triangle with three sides that are the same length.
  9. 14. What did the little acorn say when he grew up?
Down
  1. 1. A triangle where all sides are different lengths
  2. 2. An angle that is exactly 90 degrees.
  3. 4. The meeting point of two lines that form an angle.
  4. 5. Two lines that meet at a right angle.
  5. 6. A triangle with two congruent sides
  6. 8. Two angles whose sum is 90 degrees.