Module 18 Surface Area of 3D Figures

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Across
  1. 5. 3D figure that is the locus of points that are a fixed distance from its center
  2. 7. the height of a lateral face or the distance from the vertex to the base on the face
  3. 9. half of a sphere
  4. 10. 3D figure with 2 parallel congruent bases connected by lateral faces
  5. 13. a pyramid whose base is a regular polygon and whose lateral faces are congruent isosceles triangles
  6. 15. the solid that is formed by rotating a shape about an axis
  7. 16. a diagram of a 3D figure arranged "flat" so that it could be folded into the 3D figure
Down
  1. 1. the sum of the areas of the lateral faces or curved surfaces of a 3D figure
  2. 2. 3D figure with a circular base and a curved surface that connects the edge of the circular base to its vertex
  3. 3. the intersection of a 3D figure and a plane
  4. 4. 3D figure with 2 parallel circular congruent bases connected by a curved lateral surface
  5. 6. a 3D figure that has an axis or lateral edges that are perpendicular to their base
  6. 8. a 3D figure that has an axis or lateral edges that are not perpendicular to their base
  7. 11. a cone whose axis is perpendicular to its base
  8. 12. the total area of all faces and curved surfaces of a 3D figure
  9. 14. 3D figure with polygonal base with triangular faces that meet at a vertex