Math

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Across
  1. 4. angles that make up 90 degrees together
  2. 7. a line that intersects two or more lines at different points
  3. 12. angles that make a straight angle together
  4. 13. angle that is more than 90 degrees but less than 180
Down
  1. 1. a quadrilateral with both pairs of opposite sides parallel and all sides the same length
  2. 2. a triangle in which all three sides are in different lengths, and all three angles are of different measures
  3. 3. angle that is less than 90 degrees
  4. 5. lines that are side by side and have the same distance continuously between them
  5. 6. line through the center of a circle that touches the center
  6. 8. A line that touches the circle at a single point
  7. 9. a closed figure made up of line segments in a two-dimensional plane
  8. 10. a measure of distance from the center of any circular object to its outermost edge or boundary
  9. 11. formed when two straight lines or rays meet at a common endpoint