Construct an Equilateral Triangle

Sitting Cats
Margie has heard that cats in a room position themselves at equal distances from one another and wants to test that theory.  [br][br]Margie notices that Simon, her tabby cat, is in the center of her bed (at S), while JoJo, her Siamese, is lying on her desk chair (at J). [br][br]If the theory is true, where will she find Mack, her calico cat? [br][br]Use the scale drawing of Margie’s room.  Place an M where Mack will be if the theory is true. [br][br]
#1 - Sitting Cats
#2 - Using the steps shown below, construct an equilateral triangle.
Use these steps for constructing an equilateral triangle:[br][br]1) Begin with two points A and B.[br][br]2) Construct a CIRCLE with radius AB centered at A.[br][br]3) Next, construct a CIRCLE with radius AB centered at B.[br][br]4) Then, mark a POINT C at the intersection of the two circles.[br][br]5) Finally, connect the points A, B, and C with the SEGMENT tool.[br][br][br]
#3 - Triangle ABC is shown below. Is it an equilateral triangle? Justify your response in the box below.
Is the triangle above an equilateral triangle? Why or why not?
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Information: Construct an Equilateral Triangle