amerson647
amerson647
24-05-2018
Mathematics
contestada
How to find arc ab in this question
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sqdancefan
sqdancefan
27-05-2018
If we assume the segments marked "2" are perpendicular to the chords AB and AC, then the figure is symmetrical. arc AB will be half of (360° - 150°).
arc AB = 210°/2 = 105°
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