Development of Oblique Solids (Leaving Cert DCG): Flashcards
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10 cards from this deck
Oblique solid definition
Oblique solid definition
3D shape where edges/sides not perpendicular to base (slanted/tilted)
Development (net) of a solid
Development (net) of a solid
Flat pattern from unfolding all surfaces onto flat plane
True length
True length
Actual measurement of edge in 3D space, not foreshortened
Three main views for oblique solids
Three main views for oblique solids
Plan view, elevation view, development
Generators (cylinders/cones)
Generators (cylinders/cones)
Straight lines running along curved surface
Oblique prism structure
Oblique prism structure
Polygonal bases with parallelogram-shaped side faces
Oblique cylinder structure
Oblique cylinder structure
Circular bases with curved surface slanting at angle
Oblique cone structure
Oblique cone structure
Circular base, apex not directly above centre of base
Oblique pyramid structure
Oblique pyramid structure
Polygonal base, triangular faces meet at non-centered apex
Why avoid plan/elevation measurements for oblique solids?
Why avoid plan/elevation measurements for oblique solids?
Foreshortening makes development inaccurate and impossible to fold correctly