Prepared by Muhammad Tayyab, Subject Specialist Mathematics, Govt Christian High School Daska
📌 Based on National Curriculum / PECTA 2025 Syllabus
📖 What's Inside: This exercise covers properties of similar triangles, scale factors, and proportionality. Perfect for Punjab Boards exam preparation.
📚 Related Resources – Chapter 9: Similar Figures
📈 Key Concepts – Similar Figures
- Similar Figures: Same shape, different size. Corresponding angles are equal, corresponding sides are proportional.
- Scale Factor: Ratio of corresponding sides. Used to enlarge or reduce figures.
- Triangle Similarity Conditions: AAA, SSS, SAS.
- Area Ratio: Ratio of areas = (scale factor)².
- Applications: Shadow problems, map scales, model making, indirect measurement.