Final Answer:
1. parallel to base: rectangle; perpendicular to base: rectangle
2. parallel to base: circle; perpendicular to base: rectangle
3. parallel to base: triangle; perpendicular to base: triangle
4. parallel to base: triangle; perpendicular to base: rectangle
5. parallel to base: circle; perpendicular to base: circle
6. parallel to base: parallelogram; perpendicular to base: rectangle
7. parallel to base: pentagon; perpendicular to base: rectangle
8. parallel to base: circle; perpendicular to base: triangle
9. parallel to base: triangle; perpendicular to base: triangle
10. parallel to base: square; perpendicular to base: square
11. parallel to base: hexagon; perpendicular to base: rectangle
12. parallel to base: triangle; perpendicular to base: triangle
Parent Tip: Review the logic above to help your child master the concept of cross section worksheet form a answer key.