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OpenStudy (anonymous):
OpenStudy (amistre64):
any ideas?
OpenStudy (anonymous):
nope, not one /;
OpenStudy (amistre64):
well, when you have one, then we can see how correct it is.
OpenStudy (amistre64):
can you narrow it down any?
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OpenStudy (anonymous):
Is he correct?
OpenStudy (anonymous):
@amistre64
OpenStudy (amistre64):
tell me why you would want to pick that one and ill tell you if your reasoning is sound.
OpenStudy (anonymous):
Because they're congruent?
OpenStudy (amistre64):
can 2 line segments be congruent (the same size) and still not be tangent to a circle?
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OpenStudy (amistre64):
|dw:1405967539792:dw|
OpenStudy (anonymous):
uhh I'm not sure
OpenStudy (amistre64):
i just drew one that are congruent, but not tangent.
OpenStudy (amistre64):
so he is not correct
OpenStudy (amistre64):
is it given that they are congruent? or is that his own assumption?
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OpenStudy (anonymous):
its given
OpenStudy (amistre64):
then that rules out D as the answer.
so we have to choose between B and C
OpenStudy (amistre64):
his conclusion is about being tangent to the circle, do we have to know the radius to determine tangency?
OpenStudy (anonymous):
No?
OpenStudy (amistre64):
the radius will tell us nothing about tangency .. so B is pointless.
he is assuming by the way the picture is drawn that they LOOK tangent and therefore must BE tangent. but nothing indicates that as a valid conclusion
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OpenStudy (anonymous):
So C
OpenStudy (amistre64):
C would be the one that makes the most sense to me yes