1. Draw a line AB = 10cm. Place the centre point of the protractor at A with its baseline coinciding with the line segment AB, draw a ray at an angle 50⁰ from point A.
2. Place the centre point of the protractor at B with its baseline coinciding with the line segment AB, draw a ray at an angle 50⁰ from point B.
3. Mark the point of intersection of both the rays as C.
△ABC is ready