Geometry Unit 5 Vocabulary

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Across
  1. 3. The figure formed by intersecting a solid with a plane.
  2. 9. If two solids are cut into cross sections by parallel planes, and the corresponding cross sections on each plane always have equal areas, then the two solids have the same volume.
  3. 11. Any flat surface on a 3D figure.
  4. 12. The mass of a substance per unit volume
  5. 13. A solid figure that has one special face called the base. All the other faces are triangles that meet at a single vertex called the apex.
Down
  1. 1. A 3D figure formed by rotating a 2D figure using an axis of rotation.
  2. 2. a 3D figure in which all cross-sections in every direction are circles.
  3. 4. slanted
  4. 5. The single point furthest away from the base of a pyramid.
  5. 6. A line about which a 2D figure is rotated to produce a 3D figure.
  6. 7. A solid figure composed of two parallel, congruent faces connected by parallelograms.
  7. 8. A prism is ______ if the base and the apex form a right angle
  8. 9. A 3D figure with a circular base and a point not in the plane of the base called the apex.
  9. 10. A 3D figure with two parallel, congruent, circular bases, formed by translating one base to the other.