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  1. 3. parallelogram with four congruent sides.
  2. 4. a round solid three-dimensional figure with every point on its surface equidistant from its center
  3. 7. three-dimensional figure with two congruent circular bases that lie in parallel planes
  4. 8. is a three-dimensional figure that has a circular base, a vertex not in the plane of the circle, and a curved lateral surface.
  5. 9. the set of all points in a plane that are a given distance, the radius, from a given point
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  1. 1. is a parallelogram with four congruent sides and four right angles.
  2. 2. is a three-dimensional al figure whose surfaces, or faces, are polygons.
  3. 5. a polyhedron with two congruent and parallel faces, which are called the bases.
  4. 6. polyhedron in which one face, the base, is a polygon and the other faces, the lateral faces, are triangles with a common vertex.
  5. 10. polyhedron with six faces, each of which is a square