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OpenStudy (-welp-):
What is there measure of AB when m>P= 84? http://i.imgur.com/n903urj.png
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OpenStudy (-welp-):
help
OpenStudy (danjs):
If you have two tangents to a circle intersect at an angle... the formula here is \[P = \frac{ 1 }{ 2 }(ALB - AB)\]
OpenStudy (danjs):
They gave you P=84 You can substitute ALB = 360 - AB
OpenStudy (danjs):
84 = (1/2)*(360 - 2*AB) there you can figure AB
OpenStudy (-welp-):
I still don't understand. How am I supposed to figure out AB with that formula
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OpenStudy (danjs):
84 = 180 - AB AB = 96
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