jusicca1109
10.03.2020 •
Mathematics
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Ответ:
B). 40
Step-by-step explanation:
m<ACB = 180 - m<DCA
= 180 - 155
= 25
m<B = 180 - m<ACB - m<A
= 180 - 25 - 115
= 40
Ответ: