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Unit 14 of 18
Area
Two-dimensional measurement.
Every topic follows the curriculum standard
Learn→See→Try→Explain→Verify→Challenge→Transfer→Master
Topics in this unit
6 topics. Each card opens a full topic workspace and supports all eight learning actions.
Rectangle & Triangle Area
Foundations
Parallelogram & Trapezoid Area
Decomposition
Regular Polygon Area
Apothem structure
Circles & Sectors
πr² and its parts
Area Ratios
Similar figures scale quadratically
Three-pathway connections
Study this unit at three depths — current-grade mastery, advanced thinking, and competition mathematics.