173:
BAD=ADC=90-32=58
ABC=DCB=180-58=122
174:
BAD=ADC=30×2=60
ABC=DCB=180-60=120
175:
BAD=ADC=60
BCD=ABC=120
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Answers & Comments
173:
BAD=ADC=90-32=58
ABC=DCB=180-58=122
174:
BAD=ADC=30×2=60
ABC=DCB=180-60=120
175:
BAD=ADC=60
BCD=ABC=120