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Slav-nsk [51]
3 years ago
8

I am confused on this.​

Mathematics
1 answer:
Ostrovityanka [42]3 years ago
5 0
Straight lines are 180 degrees and angle BCD is 110 degrees, and also AB and CB are the same which means 180-110=70 and 70 divided by 2 is 45 degrees so m angle A =45 degrees and m angle B= 90 degrees and ACB is 45 degrees
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