Mathematics
21 Online
OpenStudy (mven):
Help Please
Find the following measure for this figure
Apothem = ??
https://oconomowoc.owschools.com/media/g_geo_2012/8/group104.gif
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OpenStudy (mven):
Apothem = ??
OpenStudy (mven):
@zimmah any ideas ?
OpenStudy (pinklion23):
you still need help
OpenStudy (mven):
yeah
OpenStudy (pinklion23):
okay so do you know the height of the triangle
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OpenStudy (mven):
honestly, I took a test and this was on it. i never saw it in any of my lessons. so i have no idea how to do it.
OpenStudy (mven):
and sorry. I think the website went down. @pinnklion23
OpenStudy (igreen):
Does it tell you the radius?
OpenStudy (pinklion23):
no it did not
OpenStudy (pinklion23):
yes and you need to know the height of the triangle to do the rest of the problem :)
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OpenStudy (mven):
that was all it gave me
OpenStudy (pinklion23):
oh wow idk how to find the height of the triangle with only half the base :(
OpenStudy (mven):
haha i know thats what i ran into also
OpenStudy (igreen):
\(\sf apothem = \dfrac{s}{2 tan(\dfrac{180}{n})}\)
OpenStudy (pinklion23):
hey i have to run sorry if only i knew the height i could help you through this in a split sorry again hope you find the answer :)
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OpenStudy (igreen):
Where 's' is the side length and 'n' is the number of sides.
OpenStudy (mven):
thanks and no problem Igreen is here to help
OpenStudy (igreen):
\(\sf apothem = \dfrac{8}{2 tan(\dfrac{180}{6})}\)
180 / 6 = ?
OpenStudy (mven):
30
OpenStudy (igreen):
Yes, now find tan 30 degrees
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OpenStudy (mven):
0.57?
OpenStudy (igreen):
Yep, now multiply by 2.
OpenStudy (mven):
1.154
OpenStudy (igreen):
Yep, now divide 8 / 1.54
OpenStudy (mven):
then 6.93 ?
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OpenStudy (igreen):
1.154*
OpenStudy (igreen):
Yep, that's our answer.
OpenStudy (mven):
awesome, thanks again