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Mathematics 9 Online
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

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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