1 General Mental and Psychological Abilities · 1.4.2 Geometry and trigonometry

1.4.2.6 Coordinate geometry basics: distance, section formula, slope and area

A handful of formulas (distance, section, centroid, area, slope, distance from a line) answers almost every coordinate question; most can be checked in seconds by sketching the points.

  • APPSC Group 1
  • Advanced level
  • 7 min read
  • Full course

Key terms

  • coordinates
  • quadrants
  • distance formula
  • mid-point
  • section formula
  • centroid
  • area of triangle
  • collinear points
  • slope
  • parallel and perpendicular lines
  • equation of a line
  • intercepts
  • distance from a line
  • reflection

What this note covers

  1. Core factsFoundation
  2. ExplainedStandard
  3. DeeperAdvanced
  4. Common trapsFoundation
  5. Quick revisionFoundation

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