Intermediate · 10. Space, projections and volume conservation
Count the cubes in shells and the visible faces, use the views (projections) to bound the heights of stacks, and find the volume of a tilted liquid from its average depth over a symmetric base.
AMC Australia · Intermediate · Selected Topics
Recognise the clues and choose a suitable method.
Explain each step in the five examples.
Solve real competition problems and spot the mistakes you need to fix.