Vertical Angles: Quick Investigation (V3)

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Note from the author:

Vertical Angles: Quick Investigation (V3)

1) Use the LINE tool to construct 2 lines that intersect. 
2) Use the INTERSECT tool to plot the point at which these 2 lines intersect.    
3) Use the ANGLE tool to measure any 2 angles that are not adjacent each other.    
After doing so, answer the reflective prompt located below the applet.  

Vertical Angles: Quick Investigation (V3)

Select the MOVE tool. Now move any 1 (or more) of the 4 blue points around. What do you notice? Describe as best as you can.

Vertical Angles: Quick Investigation (V3)

Select the MOVE tool. Now move any 1 (or more) of the 4 blue points around. What do you notice? Describe as best as you can.