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Mathematics 13 Online
OpenStudy (anonymous):

Can someone explain how to do solve this? I suck at geometry.

OpenStudy (anonymous):

OpenStudy (anonymous):

<A is what kind on an angle with repect to the circle?

OpenStudy (anonymous):

i dont know.

OpenStudy (anonymous):

its an exterior angle so <A=(arcBC-x)/2=...

OpenStudy (anonymous):

you know <A and BC ,calculate x

OpenStudy (anonymous):

so x = 75?

OpenStudy (anonymous):

how did you get that? |dw:1345151082011:dw|

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