[size=200][color=#ff0000][b]Answer the following questions in your notes.[br][/b][/color][/size]

[b][size=150]Click and drag the scale to change the degree of rotation.[/size][/b][br][br]1) Point O is the point of rotation. Its coordinates are (0,0). What is the name for the point at (0,0)?[br][br]2) When the degree of rotation is 0 or 360, what do you notice about the position of Triangle ABC and Triangle A'B'C'?[br][br]3) Click and drag the degree of rotation to 180 degrees. Change the size of Triangle ABC. What do you notice about the size and shape of Triangle A'B'C'?[br][br]4) State the coordinates of Triangle ABC and the coordinates of Triangle A'B'C'. [br]  A (___,____) --> A' (___,____)[br]  B (___,____) --> B' (___,____)[br]  C (___,____) --> C' (___,____)[br][br]5) What changes in the coordinate(s) do you notice when you rotate 180 degrees about the origin?[br][br]4) Fill in the blanks. [br][b][u]BIG IDEA:[/u] When rotating 180 degrees about the origin, the _________ and _________ coordinate change ______________. [/b]