1. Define a line.

2. Define a line segment.

3. Define a ray.

4. What is a point in geometry?

5. What is an angle?

6. Define parallel lines.

7. Define perpendicular lines.

8. What is an intersecting line?

9. Define an acute angle.

10. Define an obtuse angle.

11. What is a right angle?

12. What is a straight angle?

13. Define a polygon.

14. What is a vertex?

15. What are adjacent angles?

16. Define complementary angles.

17. Define supplementary angles.

18. What is the radius of a circle?

19. What is the diameter of a circle?

20. Define a chord.

Draw according to instructions:

1. Draw a line and label it as AB.

2. Draw a line segment and label it as CD.

3. Draw a ray starting from E and moving towards F.

4. Draw parallel lines and label them as GH and IJ.

5. Draw perpendicular lines and label them as KL and MN.

6. Draw intersecting lines and label them as OP and QR.

7. Draw an acute angle and label it as ∠A.

8. Draw an obtuse angle and label it as ∠B.

9. Draw a right angle and label it as ∠C.

10. Draw a straight angle and label it as ∠D.

11. Draw a triangle and mark its vertices.

12. Draw a square and mark its sides.

13. Draw a circle and mark its radius and diameter.

14. Draw a polygon with 5 sides and mark its vertices.

15. Draw two complementary angles and label them.