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  5. Concave and Convex Polygon

Grade 8 Sri Lanka School Math Concave and Convex Polygon

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Grade 8
1. Rational Numbers
2. Square and Square Roots
3. Cube and Cube Roots
4. Exponents
5. Direct and Inverse Proportions
6. Time and Work
7. Percentage
8. Profit and Loss
9. Compound Interest
10. Algebraic Expressions
11. Linear Equations in One Variable
12. Factorization
13. Playing with Numbers
14. Geometry
14.1. Curve
14.2. Polygon
14.2.1. Understanding Polygons
14.2.2. Name the Polygon
14.2.3. Concave and Convex Polygon
14.2.4. Diagonals in a Polygon with n Sides
14.2.5. Interior and the Exterior Angle of a Regular Polygon with n Sides
14.2.6. Finding Magnitude of Unknown Angles in the Given Polygon
14.3. Quadrilaterals
15. Graphs
16. Mensuration
17. Volume and Surface Area
18. Three-Dimensional Figures
19. Probability
20. Data Handling
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