Prelims · 8 Mental Ability · 8.10 Blood relations and direction sense
8.10.4 Distance and displacement: shortest distance and shadow problems
Add up all the East–West moves and all the North–South moves separately; the shortest distance is √(x² + y²) and the direction comes from the signs of x and y. For shadows, the sun is in the East in the morning and in the West in the evening, and the shadow falls the opposite way.
- APPSC Group 2 · Prelims
- Standard level
- 7 min read
- Full course
Key terms
- direction sense
- distance
- displacement
- shortest distance
- Pythagoras theorem
- Pythagorean triples
- coordinates
- net movement
- relative position
- coded routes
- shadow
- morning sun
- evening sun
- facing direction
What this note covers
- Core factsFoundation
- ExplainedStandard
- DeeperAdvanced
- Common trapsFoundation
- Quick revisionFoundation
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