Unit 9: Geometry

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Across
  1. 3. angle, an angle that measures 90 degrees
  2. 6. the unit of measure for angles or temperature
  3. 8. triangle, a triangle with at least two congruent sides
  4. 9. in a triangle or quadrilateral is the perpendicular distance from the base to the opposite vertex or side
  5. 10. a quadrilateral with two pairs of parallel sides
  6. 11. triangle, a triangle will all angles measuring less than 90 degrees
  7. 12. the number of square units needed to cover a given surface
  8. 16. triangle, a triangle with no congruent sides
  9. 18. a side of a polygon; a face of a three dimensional figure by which the figure is measured and classified
  10. 20. triangle, a triangle with three congruent sides
  11. 22. having the same size and shape
  12. 24. a three-sided polygon
  13. 25. the point where the x-axis and y-axis intersects on the coordinate plane (0,0)
Down
  1. 1. angle, an angle whose measure of greater than 90 degrees but less than 180 degrees
  2. 2. a quadrilateral with exactly one pair of parallel sides
  3. 4. triangle, a triangle containing one obtuse angle
  4. 5. the numbers of an ordered pair that locate a point on a coordinate graph
  5. 7. the number of cubic units needed to fill a given space
  6. 13. prism, a polyhedron whose bases are rectangles and whose other faces are rectangles
  7. 14. the distance around a polygon
  8. 15. a rule showing relationships among quantities
  9. 17. a parallelogram with four right angles
  10. 19. a mathematical sentence that shows that two expressions are equivalent
  11. 21. angle, an angle that measures greater than 0 degrees and less than 90 degrees
  12. 23. triangle, a triangle containing a right angle