Module 9 - Geometry

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Across
  1. 3. A rectangle with four congruent sides.
  2. 5. A parallelogram with all sides congruent.
  3. 8. The number of cubic units needed to fill a given space.
  4. 9. The number of square units needed to cover a given surface.
  5. 11. A quadrilateral with exactly one pair of parallel sides.
  6. 12. A triangle with no congruent sides.
  7. 14. A three-sided polygon.
  8. 16. A three-dimensional figure in which all the surfaces or faces are polygons.
  9. 17. The sum of the areas of the faces, or surfaces, of a three dimensional figure.
Down
  1. 1. A closed plane figure formed by three or more line segments that intersect only at their endpoints
  2. 2. The distance around a circle.
  3. 4. A triangle containing a right angle.
  4. 5. A line segment with one endpoint at the center of a circle and the other endpoint on the circle, or the length of that segment.
  5. 6. The product of a number and itself.
  6. 7. An angle that measures 90°.
  7. 10. A line segment that passes through the center of a circle and has endpoints on the circle, or the length of that segment.
  8. 13. A three-dimensional figure with all points the same distance from the center.
  9. 15. A polyhedron with a polygon base and triangular sides that all meet at a common vertex.