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Grade 9 Mathematics Unit 7: Congruency and Similarity
Congruency and similarity are the focus of this Unit 7 in the Ethiopian (FDRE Ministry of Education) curriculum. Building on triangles from earlier grades, this unit on congruency and similarity explains when two figures
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- 📝 7.1 Revision on Congruency of Triangles QuickNotes
- 📝 7.2 Definition of Similar Figures QuickNotes
- 📝 7.3 Theorems on Similar Plane Figures QuickNotes
- 📝 7.4 Ratio of Perimeters of Similar Plane Figures QuickNotes
- 📝 7.5 Ratio of Areas of Similar Plane Figures QuickNotes
- 📝 7.6 Construction of Similar Figures QuickNotes
- 📝 7.7 Applications of Similarity QuickNotes