1. Intersection & Development of Surfaces

2. Intersection & Development of Surfaces
Surface development and envelopment of right solids.
Surface development and envelopment of oblique solids
Intersection of surfaces of prisms, pyramids and spheres, their frustra and composite solids and development of same.
Intersection of right and oblique solids and their surface development

3. Intersection & Development of Surfaces
How should the topic be introduced?
Use of everyday examples

4. Everyday Examples

5. Intersection & Development of Surfaces
How should the topic be introduced?
Use of everyday examples
Work from 3D to 2D

6. Work from 3D to 2D

7. Intersection & Development of Surfaces
How should the topic be introduced?
Use of everyday examples
Work from 3D to 2D
Link the general to the specific

8. Intersection & Development of Surfaces

9. Intersection & Development of Surfaces

10. Surface Geometry

11. Intersection & Development of Surfaces

12. Intersection & Development of Surfaces

13. Intersection & Development of Surfaces