Answer:
4
Step-by-step explanation:
1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40
A!
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angle 2 is 55
supposing angle 1 and 2 are supplementary angle
since angle 1 is 125
180-125=55
therefore angle 2 is 55