Exploring Rotation 2
Before Question 4
Move the rotation slider back to 0. Move the point of rotation to (4,2), or in other words, move the x slider to 4 and the y slider to 2. Next, draw a circle using the circle with center through point 
tool. First click the point of rotation (the red point at (4,2)), then click on point A on the preimage (the brown one). Don't forget to change back to the select
tool before moving the slider.
tool. First click the point of rotation (the red point at (4,2)), then click on point A on the preimage (the brown one). Don't forget to change back to the select tool before moving the slider.Question 4
Now rotate the shape so that point B is at the origin. What angle did you rotate by?
Question 5
Now rotate the shape so that point C is at (4,0). What angle did you rotate by?
Check your answers, redo any exercises you missed, then move on to Exploring Rotation 3.