ineedhelp2285
30.09.2019 •
Mathematics
If two supplementary angles are congruent, then they must be right angles.
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Ответ:
the 2 angles make a supplementary angle, AND have to be congruent, then 180/2 = 90, which means that both angles are 90 degrees each
hope this helps
Ответ:
Ответ:
xz (4x2 - 2x3)
5x3 (2)
15 (2)
30