gehdmoe2
07.10.2019 •
Mathematics
Which matrix could be subtracted from c2x4 ?
a) a4x2
b) a4x3
c) a2x4
d) a2x3
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Ответ:
100
Step-by-step explanation:
angle acb is 40. if lines ac and ab are the same, then angle abc is also 40 degrees. 180-40-40 is 100 degrees.