Geometry and Measurement

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Across
  1. 4. the area of the sides (faces) of a three-dimensional object
  2. 5. have the same shape and size
  3. 7. the ratio of the circumference to diameter
  4. 8. one of the circumference formulas for a circle
  5. 9. half of a circle
  6. 10. the distance around the circle
  7. 12. a straight line that passes through the center of the circle (has two end points)
  8. 13. area formula for a parallelogram
Down
  1. 1. the area of the faces and bases of a three-dimensional object
  2. 2. a flat shape with 4 straight sides that has a pair of opposite sides parallel
  3. 3. a square base and four lateral faces
  4. 5. another circumference formula for a circle
  5. 6. the distance from the center of the circle to the outside edge
  6. 11. a two-dimensional representation of a three-dimensional object