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How to find arc ab in this question
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How to find arc ab in this question

How to find arc ab in this question-example-1
User Salindaw
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1 Answer

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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°
User Hassan Elshazly Eida
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