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OpenSessame
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Determine whether a tangent line to circle O is shown in the diagram, for AB = 7.75, OB = 4, and AO = 8.75. Explain your reasoning. (The figure is not drawn to scale.)
 one year ago
 one year ago
OpenSessame Group Title
Determine whether a tangent line to circle O is shown in the diagram, for AB = 7.75, OB = 4, and AO = 8.75. Explain your reasoning. (The figure is not drawn to scale.)
 one year ago
 one year ago

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Psymon Group TitleBest ResponseYou've already chosen the best response.2
Well, if that line is tangent to the circle, then the triangle, in this case, would havetobe a right triangle, correct?
 one year ago

OpenSessame Group TitleBest ResponseYou've already chosen the best response.0
Yes! OHHH i got it!
 one year ago

Psymon Group TitleBest ResponseYou've already chosen the best response.2
Mhm. Well if it were a right triangle, then that would mean that the pythagorean theorem would be valid. So if it is a right triangle, then \[8.75=\sqrt{4^{2}+7.75^{2}}\] So thats up to you to check
 one year ago

OpenSessame Group TitleBest ResponseYou've already chosen the best response.0
i got that to equal 8.72?
 one year ago

Psymon Group TitleBest ResponseYou've already chosen the best response.2
Right, so that means this isnt a right triangle because we didnt find it to equal 8.75. So it is not tangent then.
 one year ago

OpenSessame Group TitleBest ResponseYou've already chosen the best response.0
Thanks man!
 one year ago

OpenSessame Group TitleBest ResponseYou've already chosen the best response.0
Didnt think about it that way lol
 one year ago

Psymon Group TitleBest ResponseYou've already chosen the best response.2
Im not that great at geometry, so thats, like, theonly way I know how to look at it xD
 one year ago

Directrix Group TitleBest ResponseYou've already chosen the best response.0
http://openstudy.com/study#/updates/503d1442e4b04bebe0426900
 one year ago

Psymon Group TitleBest ResponseYou've already chosen the best response.2
Okay, so confirm im not crazy xD
 one year ago
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