The Geometry Times™ Crossword

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Across
  1. 2. Add up to 90 degrees. Form a right angle.
  2. 5. Shapes that are the same in shape, but not size.
  3. 6. Split into two. Cuts an angle or line into equal parts.
  4. 11. The extent of a shape on the coordinate plane. Measured in square units.
  5. 13. a²+b²=c². Can only be used in right triangles.
  6. 16. Ball-shaped 3-D figure. Contains a circle in its center.
  7. 17. Formed by intersecting lines. Measured in degrees.
  8. 19. Straight. Continues on forever in both directions.
Down
  1. 1. 3-dimensional figure. Has two identical shapes as its bases.
  2. 3. Never intersecting. Will never come together under any circumstances.
  3. 4. The perimeter of a circle. 2πr.
  4. 7. Add up to 180 degrees. Form a straight angle.
  5. 8. The location of a point. (x,y)
  6. 9. A change in a geometric shape. Includes rotation, translation, reflection, and dilation.
  7. 10. The amount of space an object takes up. Measured in cubic units.
  8. 12. Shapes that are the same in shape and size. All angles and sides are the same.
  9. 13. Plane figure. Has at least 3 sides and angles.
  10. 14. How far it is between two points. Determined using the coordinates of two points.
  11. 15. The subject of this class. Includes the study of angles, flat shapes, and 3-dimensional shapes
  12. 18. A number found between 3 and 4. Often expressed with the symbol π.