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OpenSessame
 one year ago
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.)
OpenSessame
 one year ago
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.)

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Psymon
 one year ago
Best ResponseYou've already chosen the best response.3Well, if that line is tangent to the circle, then the triangle, in this case, would havetobe a right triangle, correct?

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

Psymon
 one year ago
Best ResponseYou've already chosen the best response.3Mhm. 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

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

Psymon
 one year ago
Best ResponseYou've already chosen the best response.3Right, so that means this isnt a right triangle because we didnt find it to equal 8.75. So it is not tangent then.

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

Psymon
 one year ago
Best ResponseYou've already chosen the best response.3Im not that great at geometry, so thats, like, theonly way I know how to look at it xD

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

Psymon
 one year ago
Best ResponseYou've already chosen the best response.3Okay, so confirm im not crazy xD
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