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

Intersection & Development of Surfaces

How should the topic be introduced?

• Use of everyday examples

Intersection & Development of Surfaces

Everyday Examples

How should the topic be introduced?

• Use of everyday examples

• Work from 3D to 2D

Intersection & Development of Surfaces

Work from 3D to 2D

How should the topic be introduced?

• Use of everyday examples

• Work from 3D to 2D

• Link the general to the specific

Intersection & Development of Surfaces

Intersection & Development of Surfaces

Intersection & Development of Surfaces

Surface Geometry

Intersection & Development of Surfaces

Intersection & Development of Surfaces

Intersection & Development of Surfaces