- Longer Side Inequality Theorem-1
- Angle Property of Scalene Triangle-e.g1
- Longer Side Inequality Quadrilateral-e.g2
- Converse of Longer Side Inequality Theorem-1a
- Problem 1: Converse of Longer Side Inequality Theorem-1a
- Problem 2: Converse of Longer Side Inequality Theorem-1a
- Triangle Sum of Two Sides is Greater Than Third-2
- Problem 2: Triangle Sum of Two Sides is Greater Than Third-3
- Triangle Sum of Sides is Greater Twice its Median-e.g2
- Triangle Side is Less than Difference of Other Sides-e.g3
- Shortest Distance from Point to a Line-3
- Problem 2: Shortest Distance from Point to a Line-3
- Problem 1: Shortest Distance from Point to a Line-3
- Sides and Angles of a Triangle-Review-Exercise-13-Question 1
- Sides and Angles of a Triangle-Review-Exercise-13-Question 2 to 6