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Unit 7 of 18
Similarity
Same shape at any scale.
Every topic follows the curriculum standard
Learn→See→Try→Explain→Verify→Challenge→Transfer→Master
Topics in this unit
7 topics. Each card opens a full topic workspace and supports all eight learning actions.
Similarity Defined
Equal angles, proportional sides
AA Similarity
Two angles suffice
SAS Similarity
Proportional sides and equal angle
SSS Similarity
All sides proportional
Similar Triangle Proportions
Corresponding structure
Proportional Lengths
Parallel lines divide proportionally
Three-pathway connections
Study this unit at three depths — current-grade mastery, advanced thinking, and competition mathematics.