2002 AMC 8, #20/ MediumHard -30.73% of answering students correctly answered the question
Classifications
NCTM Standard: Geometry -- Use visualization, spatial reasoning, and geometric modeling to solve problems. Apply transformations and use symmetry to analyze mathematical situations describe sizes, positions, and orientations of shapes under informal transformations such as flips, Mathworld.com Classification: Geometry > Plane Geometry > Geometric Similarity > Congruent