Problems in three dimensions (AQA GCSE Further Maths): Flashcards
📚Flashcards
Practise the cards
12 cards from this deck
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Practise the cards
12 cards from this deck
What are the 3 dimensions in 3D geometry?
What are the 3 dimensions in 3D geometry?
Length, width, height
Effective approach for 3D problems
Effective approach for 3D problems
Break into smaller 2D calculations
Great circle route
Great circle route
Shortest path on Earth's surface (curved on flat maps)
Isometric projection purpose
Isometric projection purpose
Represent 3D objects accurately on paper
Isometric: east-west lines
Isometric: east-west lines
Draw as horizontal lines
Isometric: vertical lines
Isometric: vertical lines
Draw as vertical lines
Isometric: north-south lines
Isometric: north-south lines
Draw sloping at about to horizontal
Isometric: hidden edges
Isometric: hidden edges
Use dotted lines
True shape diagram function
True shape diagram function
Shows right angles as genuine (not distorted)
Why true shape diagrams needed
Why true shape diagrams needed
Right angles appear distorted in 3D views
Creating true shape diagram: first step
Creating true shape diagram: first step
Identify face with right angle, draw separately as 2D
Common error in 3D calculations
Common error in 3D calculations
Using distorted angles from 3D views