a experior angle of a triangle is = to the 2 opposit interior angles of the triangle. If that's not what you are looking for sorry.
Same Side Interior angles are the angle pairs that are on the insides of the two lines (the interior) and on the same side of the transversal
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This is only true of triangles. Rhombi and other "squashed" polygons with more than three sides show that it is not true otherwise. The two equal sides meet at an angle. It can be shown that the...
Yes, but more preferably called consecutive interior angles.
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