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HELP! Pic Below I GIVE MEDALS :) find g,i and j

Geometry
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can you help me?? @e.cociuba
thanks
do you no about g?

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Other answers:

or j??
|dw:1365476931530:dw|
The first figure which contain angle g ,Is it a right angle ?
yes
it should be |dw:1365471862587:dw| Anyway ,Since this is a right angle triangle then Use Sine, Cosine or Tangent . Where Sin=opp/Hyp. Cos=adj/hyp. tan=opp/adj You got it ?
yes i understand
Great,Can you deduce the value of g ?
would it be 10
How did you get that ?
idk lol would it be 20/10=2?
you are calculating the coefficient of g which is an angle Since you were given the Opp and the hypo. ,Therefore you will use the sin Sin(g)=10/20= ?
sin(q)=0.5
Nope, You need to get the angle Sin^-1=10/20= ?
i don't understand
If Sin(a)=1 and you need to get the coefficient of a ,how To get a ? Type on your calculator Shift+Sin+1 and the result will be the coefficient of a . Can you follow the steps ?
ok igot 0.017
Ugh,No that;s wrong . Check this http://www.picalc.com Type : asin(10/20)= ?
soryy i got a pelletty caculater,,,i got 30
Thats the Right answer :'')
ok so g=30 lol
Yes *cry out of happiness*
Yay!lol so then is i=60?
i is an angle in another figure ! not this figure right ?
yup but its not a angle i drew it
In the other Triangle Do the same Steps (sin,cos,tan) And notice that : That median cut the line to two equal parts (The same length)
@ryan123345 :May you continue ,Because i want to drink something +_+ ...
lol
ok ^ ?
Well I rather explain it to her from the begining
so can u help me plezz! :)
S U R E . @heather040200 : he will explain to you from the beginning :D Enjoy ! and i will check it later just in case ^_~
Ill help :)
\[\cos (g)=\frac{ 10 }{ 20 }\]
kkk so i got 30
\[g=(\frac{ 1 }{ 2 }) \cos^{-1} \]
so 15?
@Eyad fan me so i can message u
HELLO is my answer right??
its not 30
is it 15
try plugging in equation I wrote with the cos
to the calculator
i got 60
Good Job. so now you know that g is 60 deg
ok so now how do we get i
i is a degree or a side i cant really tell
side
so cos=20/10 =60
ok so now since you know that the |dw:1365476272169:dw|
|dw:1365474950733:dw|
J is just the brown triangle you have in your pic
|dw:1365476405488:dw|
so is i=sqrt.3
yes :)
ok so now how do we get j |dw:1365482366945:dw|
|dw:1365476773129:dw|
sqrt9
which is? :)
3 is the answer
Good Job :)
thank you so much for your help :)
No problem. I'm always here :)
ok cuz i have a cople more questo

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