1. Section 1.1 Optical Illusions

2. Optical Illusions

3. Which center circle is larger?

4. What do you notice about the pink blocks?

5. Where is the sphere located?

6. Which “line” is longer, A or B? A B

7. Are the two center lines straight or curved?

8. Are the lines straight?

9. What do you see?

10. Is the blue side in the front or back of the cube?

11. What do you see?

18. EXPLORATION 1) Mark Point P in your notebook 2) Mark a point 4 cm from P. Label it H. 3) Mark another point 4 cm from P. Label it K. 4) Mark three new points 4 cm from P. Label them R, G, E. 5) How many points exist that are 4 cm from P? 6) If you were to connect all the points, what type of geometric figure is formed around P?

19. PRACTICE PROBLEMS Yes we are doing work on the first day! Yes we are doing work on the first day! Page 4 #5 - 10 Page 4 #5 - 10