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hehe, same thing you see the 30, 60 and 90 angles?
so their relationship are |dw:1375657891270:dw|
that is where i started getting confused....
ok, which part throws you off?
what that means is just that the longest side is TWICE as much as the smallest side so "2a" is twice as much as "a" so if I had a 30-60-90 triangle whose smallest side were say 25 then the longest will be TWICE as much, or 50, thus |dw:1375658213907:dw|
if I had a 30-60-90 triangle whose smallest side were say "WHATEVER" my longest side will be "WHATEVER" x 2
not on the 2a part but what about the a sqrt3
you just have to multipy the 20 with the sqrt of 3.
first, you have to divide 40 by 2, in order to find a. cos its 2a/2 > you will now find a. and then there it says "a sqrt of 3", so you just have to multiply a with sqrt of 3.
do u get it? :)
btw, this video goes over 45-45-90 and 30-60-90 triangles. These videos are helpful
i have never used any terms relating to trig so no i dont really get it :( @phi what video??
this one http://www.khanacademy.org/math/geometry/right_triangles_topic/special_right_triangles/v/intro-to-30-60-90-triangles
oh ok ill watch it
@highschoolmom2010 got the answer?
nope not even close
ok...you want to find x and y..right?
You know about trigonometry ratios?
yea.. i tried to do it and was told it was wrong so i got confused nope im in geometry
@phi it kinda helped me figure that sqrt 3 part bu tnot how to do the problem
in that case watch the video where he does examples
or we can go using geometry
that would help better
this is a 30-60-90 triangle
this means BC is AB*root 3
and AC is AB*2
so BC=root3 *(x) =y
can u draw what u are saying im *more visual*
from this x=20 and put that x to find y
like that ????
yes...you got it
so so what now....
x=20 and y=20 root3
HOLY COW I DID IT :DDDDD
TY @Krishnadas & @phi @jdoe0001
you are welcome @highschoolmom2010