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Mathematics 10 Online
OpenStudy (anonymous):

help http://imgur.com/nq2gSFD

hartnn (hartnn):

Since ED is tangent to the circle, AC is perpendicular to ED

hartnn (hartnn):

which means angle ACE is 90 degrees what does that make triangle ACE as ?

OpenStudy (anonymous):

d

hartnn (hartnn):

thats correct :)

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