Geometry Crossword

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Across
  1. 2. The distance around the figure.
  2. 3. Describes three or more lines that intersect at one point.
  3. 5. An equation stating that two ratios are equal.
  4. 7. Two angles that add up to 180 degrees.
  5. 14. Triangle where all sides are equal.
  6. 16. Describes a triangle where no sides are equal.
  7. 17. The point of concurrency of the angle bisectors of a triangle.
  8. 18. Consists of two rays with a common endpoint.
  9. 20. A parallelogram with four congruent sides.
Down
  1. 1. Point of concurrency of the lines that contain the altitudes of the triangle.
  2. 4. The distance around a circle.
  3. 6. part of a line consists of an endpoint and all points of a line on one side of the endpoint.
  4. 8. A quadrilateral with both pairs of opposite sides parallel.
  5. 9. The quotient of two quantities.
  6. 10. A parallelogram with four congruent sides and four congruent right angles.
  7. 11. A line that intersects two or more coplanar lines at different points.
  8. 12. Any three points in space that lie on the same plane.
  9. 13. Points that lie on the same straight line or in a single line.
  10. 15. Extends in opposite directions without end and has one dimension
  11. 19. Angle greater than 90 but less than 180.