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.

lesson 40 of 42

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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