Tangent Planes to Solids (Leaving Cert DCG): Flashcards
📚Flashcards
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Practise the cards
10 cards from this deck
Tangent plane definition
Tangent plane definition
Flat surface touching solid at exactly one point, not cutting through
Tangent plane to sphere & radius
Tangent plane to sphere & radius
Perpendicular to radius at tangency point
Horizontal trace of tangent plane to cone
Horizontal trace of tangent plane to cone
Tangential to the base circle of the cone
Traces definition
Traces definition
Lines where plane meets horizontal & vertical reference planes
Types of traces
Types of traces
Horizontal and vertical
Generatrix lines
Generatrix lines
Lines from cone apex through surface to base
Horizontal trace & cone base
Horizontal trace & cone base
Tangential to base circles of cones
Solutions for cone + sphere tangent plane
Solutions for cone + sphere tangent plane
Four possible solutions
Key principle: tangent planes & solids
Key principle: tangent planes & solids
Touch at one point only, never cut through
Purpose of auxiliary views
Purpose of auxiliary views
Show true relationships between planes and solids