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Komok [63]
3 years ago
11

Which relationship is always true for the angles r, x, y, and z of triangle ABC?

Mathematics
1 answer:
mariarad [96]3 years ago
3 0

That's the second one,


180 - x = r


Whenever two lines cross we get congruent opposite angles and supplemental adjacent angles, i.e. they add to 180 degrees.


The first one is almost right; we have r+y+z=180 and r+x=180 so x=y+z not quite what was written.


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