Lines and Angles

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Across
  1. 4. An angle with less that 90 degrees
  2. 8. A triangle that has two acute angles and one angle obtuse angle
  3. 11. A triangle with one 90 degree angle
  4. 13. A triangle with three equal angles
  5. 15. Lines that intersect at 90 degrees and form a right angle at the intersection
  6. 16. A triangle with three equal sides
Down
  1. 1. A triangle with at lease two equal sides
  2. 2. A three sided figure that all angles are less than 90 degrees
  3. 3. A one-dimensional figure that continues straight in both directions
  4. 5. part of a line with two end points
  5. 6. A unit of measurement used to describe the size of an angle
  6. 7. An angle that is more than 90 degrees
  7. 9. The space between two rays that is formed from intersecting lines, line segments.
  8. 10. A two dimensional figure that has three sides
  9. 12. An angle that measures 90 degrees
  10. 14. Two lines that never touch
  11. 15. An exact location
  12. 17. A line with a start point but no end point