**Highlights**

### 1. Introduction

### 2. Construction of a Line Parallel to a Given Line, Through a Point Not on the Line

### 3. Construction of Triangles

### 4. Construction of a Triangle When Lengths of Its Sides are Known ( SSS Criterion )

5. Constructing a Triangle When Lengths of Two Sides and the Measure of the Angle Between Them are Known ( SAS Criterion)

6. Constructing a Triangle When the Measures of its Two Angles and the Lengths of the Side Included between Them is Given ( ASA Criterion )

7. Constructing a Right-Angled Triangle When the Length of One Leg and Hypotenuse are Given ( RHS Criterion )

### Exercise

Problem and Solution.