Mathematics
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OpenStudy (anonymous):
if angle cfd= 12a + 45, find a so that FC is perpindicular to FD. I'm so confused..
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OpenStudy (anonymous):
Hello.
OpenStudy (anonymous):
hey
OpenStudy (anonymous):
hi
OpenStudy (anonymous):
So lets start with what you know
OpenStudy (anonymous):
angle CFD=12a+45, and ray FC and ray FD are perpendicular.
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OpenStudy (anonymous):
what does it mean when two rays are perpendicular?
OpenStudy (anonymous):
doesn't that mean like it's identical?
OpenStudy (anonymous):
it means they are at right angles to eachother
OpenStudy (anonymous):
oh yeah
OpenStudy (anonymous):
now i am assuming that when they are saying the angle CFD, they are talking about the measure of the angle CFD. What do you think?
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OpenStudy (anonymous):
are you confused by the question?
OpenStudy (anonymous):
yeah
forumula
OpenStudy (anonymous):
when i say the measure of an angle, I mean the number of degrees in the angle. is that better?
OpenStudy (anonymous):
yeah it is. It's confusing the way they say it.
OpenStudy (anonymous):
ok. so how many degrees are in a right angle?
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OpenStudy (anonymous):
90 i think?
OpenStudy (anonymous):
that would be absolutely correct.
OpenStudy (anonymous):
now, if the measure of the angle is 90 degrees, how can you use the above equation to solve your problem? and dont worry, we'll getcha through this.
OpenStudy (anonymous):
12a + 45 = 90?
OpenStudy (anonymous):
you got it.
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OpenStudy (anonymous):
thanks. Algrebra part is a piece of cake it's just the vocabulary that is confusing
OpenStudy (anonymous):
so you are good?
OpenStudy (anonymous):
yeah thanks man
OpenStudy (anonymous):
or do you need more help?
OpenStudy (anonymous):
that's it i appreciate the help
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OpenStudy (anonymous):
my pleasure. you are going to get a non integer for an answer. take care spoderman
OpenStudy (anonymous):
ty
OpenStudy (anonymous):
:)