amerson647
amerson647 amerson647
  • 24-05-2018
  • Mathematics
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How to find arc ab in this question

How to find arc ab in this question class=

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sqdancefan
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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