Unit 6 · Geometry

Chapter 6.10

Which Idea Opens It? Geometry

The hardest part of an AMC geometry problem is usually deciding which segment to draw first.

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By the end

  1. 01Name the geometry idea that opens each problem from its figure and wording
  2. 02Set up each problem in a few lines before computing

In unit 6

  1. 6.1Angles, Polygons, and the Triangle Inequality
  2. 6.2Right Triangles
  3. 6.3Similar Triangles
  4. 6.4Area by Pieces and Ratios
  5. 6.5Circles: Angles and Measure
  6. 6.6Tangent Lines and Circles
  7. 6.7Coordinates and Lattice Points
  8. 6.8Moves and Shapes
  9. 6.9Thinking in Three Dimensions
  10. 6.10Which Idea Opens It? Geometry
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