Methodical recommendation:
Theory
| Number | Name | Description |
|---|---|---|
| 1. | Properties of a triangle based on angles | To recall the properties of a triangle based on angles. |
| 2. | Construction of triangles when some sides and angles are given | To learn how to construct a triangle when some sides and angles are given. |
Practice Questions
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Identity the given triangle | Other | easy | 2 m. | To identify the given triangle based on its angle. |
| 2. | Find the third angle of the triangle | Other | easy | 2 m. | To find the third angle of the triangle. |
| 3. | Find the exterior angle | Other | easy | 2 m. | To find the exterior angle at a vertex of a triangle. |
| 4. | Analyse and answer | Other | medium | 3 m. | Analyse the statements and choose the appropriate answer. |
| 5. | Find the exterior angle at a vertex | Other | medium | 3 m. | To find the exterior angle at a vertex for the given condition. |
| 6. | Find the other angle of the triangle | Other | medium | 3 m. | To find the third angle of the right angled triangle. |
| 7. | TBQ - Figure out the possibilities | Other | medium | 4 m. | To find the angles for which the triangle is possible and impossible. |
| 8. | TBQ - Find the angle using parallel line | Other | medium | 4 m. | To find the third angle of the triangle using parallel line. |
| 9. | TBQ - Determine whether the pair of angles belong to a triangle | Other | hard | 5 m. | To determine whether the given pair of angles are angles of a triangle. |
| 10. | TBQ - Verify the existence of a triangle geometrically | Other | hard | 4 m. | To construct and verify if the given triangles are possible. |
| 11. | Construct the triangle using the given information | Other | hard | 5 m. | Learn how to construct a triangle if the measure of two sides and an angle are known. |
| 12. | Write the construction for the given geometry | Other | hard | 5 m. | To write the construction of a triangle if the measure of two angles and a side are known. |
| 13. | Construct a right angled triangle | Other | hard | 5 m. | To construct a right angled triangle using a set square. |