How do I write a true equation involving 2 or more angles? AB=BA, AE=CE

mary99 said:
05.06.WS.A.10challenge.dib
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I'm not quite sure what you mean.

One way to label a figure (triangle, square, etc.) is to label the ends of the side. For example a triangle might be Triangle ABC which would mean something like start at point A, go in a straight line to point B, then in a straight line to point C and then back to point A in a straight line. What might be confusing is that angles are referred to this way also: Angle ABC would be the angle between side AB and side BC.

Two Examples:
An equilateral triangle ABC would have angles all with the same measure, i.e. Angle ABC = Angle BCA = Angle CAB.

A square ABCB would have angles all with the same measure, i.e. Angle ABC = Angle BCD = Angle CDA = Angle DAB.
 
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