amerson647
amerson647
24-05-2018
Mathematics
contestada
How do you find arc ab
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sqdancefan
sqdancefan
27-05-2018
Use trigonometry to find the angle between the segments 3 and 6.
∠XOB = arccos(3/6) = 60°
The measure of arc AB is double that angle, since the figure is symmetrical about the line containing the segment of length 3.
m(arc AB) = 2·60° = 120°
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