Geometry Vocab

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Across
  1. 2. The amount of space filled by a three-dimensional object.
  2. 7. A shape with four sides and four angles.
  3. 9. A shape with three sides and three angles
  4. 12. An angle that measures 90 degrees.
  5. 14. A figure made up of straight line segments.
  6. 15. A curve where all points are middle from a central point.
Down
  1. 1. The sum of the lengths of all the sides of a shape.
  2. 3. A triangle with two sides of equal length
  3. 4. A line segment with one point at the center of a circle and the other point on the circle.
  4. 5. has the same size and shape
  5. 6. the measurement of a two-dimensional shape, which shows the inside space.
  6. 8. A line segment that passes through the center of a circle.
  7. 10. A figure made by two rays sharing an endpoint.
  8. 11. Lines that never pass each other and remain halfway from each other.
  9. 13. The side of a right triangle that are opposite to the right angle.