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OpenStudy (anonymous):
Please help me.. I need help finding x. http://static.k12.com/eli/bb/817/-1/0/2_36825_44974/-1/0f5b2c2364d96863a655e44ef80814d73eed93bc/media/0013745de9e3e565e00d6c8d9df4bb9eac961562/mediaasset_651261_1.gif
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OpenStudy (mertsj):
I believe there is a theorem to the effect that an external angle formed by a secant and a tangent is equal to 1/2 the difference of the intercepted arcs.
OpenStudy (anonymous):
Oh my. Im still confused.
OpenStudy (mertsj):
What is the external angle in your picture?
OpenStudy (anonymous):
52 degrees
OpenStudy (mertsj):
Is it formed by a tangent and a secant?
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