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G.GCO.10 Square Action!

Topic:
Square
Slide the slider slowly in the applet below. Be sure to repeat this process a few times, making sure to change the locations of the pink points each time before re-sliding the slider. What properties, illustrated here, are unique only to squares and not to other parallelograms? What properties, illustrated here, also apply to rhombuses? What properties, illustrated here, also apply to rectangles? What properties, illustrated here, apply in general to all parallelograms? What is the measure of each gray angle? Explain how you know this to be true. What is the measure of each pink angle? Explain how you know this to be true.