Answer:
60
Step-by-step explanation:
220*2 = 440
+ 220/2 = 550
3u+ 18
try that :)
12g
I don't have a lot of contexts here but based on what saw the answer should be 12g
∠b=82°
143°=∠c+∠b (exterior angle property)
143°=61°+∠b
∠b=143-61