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JessicaChen
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Find x in these 45  45  90 triangles.
http://tinypic.com/r/rtg4ty/5
x= () square root ()
 one year ago
 one year ago
JessicaChen Group Title
Find x in these 45  45  90 triangles. http://tinypic.com/r/rtg4ty/5 x= () square root ()
 one year ago
 one year ago

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mathtutoring22 Group TitleBest ResponseYou've already chosen the best response.0
you whats SOH CAH TOA?
 one year ago

mathtutoring22 Group TitleBest ResponseYou've already chosen the best response.0
Cos(theta) = adjacent/hypothenus
 one year ago

mathtutoring22 Group TitleBest ResponseYou've already chosen the best response.0
therefore Cos(45) = x/8
 one year ago

mathtutoring22 Group TitleBest ResponseYou've already chosen the best response.0
you can use the graphic calculator. make sure it is on radian mode
 one year ago

JessicaChen Group TitleBest ResponseYou've already chosen the best response.0
@AravindG any chance of helping me?
 one year ago

AravindG Group TitleBest ResponseYou've already chosen the best response.1
Cos(45) = x/8 solve for x
 one year ago

JessicaChen Group TitleBest ResponseYou've already chosen the best response.0
do i just multiply (45) and 8? and find the square root from there
 one year ago

AravindG Group TitleBest ResponseYou've already chosen the best response.1
nope cos 45 is 1/root(2)
 one year ago

AravindG Group TitleBest ResponseYou've already chosen the best response.1
so you multiply 1/root{2} with 8
 one year ago

JessicaChen Group TitleBest ResponseYou've already chosen the best response.0
1 square root of 2 is 1.4
 one year ago

JessicaChen Group TitleBest ResponseYou've already chosen the best response.0
is that right?
 one year ago

AravindG Group TitleBest ResponseYou've already chosen the best response.1
1/root(2)=1/1.414=0.707
 one year ago

JessicaChen Group TitleBest ResponseYou've already chosen the best response.0
so do i just multiply 70 and 8?
 one year ago
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