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hello are you there? do u think you can draw this first before you can solve?

@ janessia

hmm idk

how would i draw it?

do you know the angle of depression?

|dw:1351530728427:dw|

the height y=20 , the x= distance
angle theta = angle of depression

so how do i solve this?

|dw:1351530990457:dw|

you can try tangent

opposite hypotenuse?

opposite adjacent

sorry my pc got frozen,,, yes try that tangent

let me know what you getting

\[\tan \theta =\frac{ 20 }{ x } ,......\]
then what is x=?

memorized
sin A= opposite/ hypotenuse
cos A= adjacent/hypotenuse
tan A= opposite/adjacent

ohk but hmmmm??? im so confused

just forget it its fine

did you get it?
angle of depression
\[\theta =30\]

so
x= 20/ tan 30 what did you get?