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VashaNatasha [74]
3 years ago
14

Please help me!!!!!!!!!!

Mathematics
2 answers:
stich3 [128]3 years ago
5 0
A is an inscribed angle so it is half the arc intercepted by a so a=100/2=50. Hope that helped you!!!!!!
PolarNik [594]3 years ago
4 0
Just divide the arc the inscribe angle forms by 2.  So 100/2 = 50 = a, and b is 55.
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