Methodical recommendation:
Theory
| Number | Name | Description |
|---|---|---|
| 1. | Triangle and its existence | To recall the triangle and its components. And, the neccesary and sufficient condition for a triangle to exist. |
| 2. | Constructing a Triangle When its Sides are given | To learn how to construct a triangle when all the three sides of the triangle are known. |
| 3. | 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. | Name the following | Other | easy | 4 m. | To identify the components of the given triangle. |
| 2. | TBQ - Does the triangle exist? | Other | easy | 2 m. | To learn the rules of formation of triangles |
| 3. | Determine the unknown angle in the right triangle | Other | easy | 3 m. | Practice a problem to find the unknown angle in right triangle by applying angle sum property. |
| 4. | Calculate the interior angle | Other | easy | 3 m. | Practice a problem on finding interior angle of a triangle using the exterior angle. |
| 5. | Complete the following | Other | easy | 3 m. | To understand the constuction of a altitude of a triangle. |
| 6. | TBQ - Analyse the statements | Other | medium | 4 m. | Analyse the statements and choose the appropriate answer. |
| 7. | Find the length of third side | Other | medium | 4 m. | Practice the problem on side of a triangle and find the possible interval of thrid length. |
| 8. | Construct an equilateral triangle of given length | Other | medium | 5 m. | To construct an equilateral triangle of given length using a compass and a ruler. |
| 9. | TBQ - Find the equal angles of the triangle | Other | medium | 4 m. | To find the equal angles of the triangle using the given data. |
| 10. | TBQ - Define the triangle | Other | medium | 4 m. | To define an acute angled triangle. |
| 11. | TBQ - Match the following | Other | medium | 4 m. | Learn how to construct a triangle if the measure of two sides and an angle are known. |
| 12. | TBQ - Find the angle using parallel line | Other | hard | 5 m. | To find the third angle of the triangle using parallel line. |
| 13. | TBQ - Think beyond! | Other | hard | 5 m. | To check how many right triangles exist for the given condition. |
| 14. | Can a triangle be formed with the given sides? | Other | hard | 5 m. | This exercise is to check your knowledge about properties of triangle. |
| 15. | TBQ - Construct and find the exterior angle | Other | hard | 5 m. | To construct and analyse the third angle. |
| 16. | TBQ - Construct the triangle using ASA criterion | Other | hard | 4 m. | To construct a triangle if the measure of two angles and a side are known. |