Angles, Triangles and Prisms

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Across
  1. 2. an angle that forms a straight line. It measures 180 degrees
  2. 4. the new face you see when you slice through a three-dimensional figure
  3. 5. a type of polyhedron that has two bases that are identical copies of each other
  4. 6. three-dimensional shape with flat faces
  5. 8. angles are opposite angles that share the same vertex.
  6. 10. a type of polyhedron that has one base
Down
  1. 1. refers to a face of a polyhedron
  2. 2. angles have measures that add up to 180 degrees
  3. 3. angles have measures that add up to 90 degrees
  4. 7. Half of a straight angle. It measures 90 degrees
  5. 9. Share a side and a vertex