Respuesta :

A) 140 degrees
B) [BCE] 40 [CBH] 140 [ADF] 140 [DAG] 40
C) ADC and ABC, DAB and BCD, BCE and GAD, CBH and ADF
D) ADF and ADC, BCD and BCE, HBC and ABC, GAD and DAB, DAB and ABC, ADC and DCB
mey0703
Okay, BCD is the same as BAD so, BCD is 140. A flat line is 180 so subtract the angle given from 180 for #2. With that given, you have 3 and 4