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Mathematics 16 Online
OpenStudy (anonymous):

?

OpenStudy (dumbcow):

you can find length of hose by using pythagorean thm BD = sqrt(28^2 +21^2)

OpenStudy (dumbcow):

tan(60) = BD/AD --> AD = BD/tan(60)

OpenStudy (dumbcow):

maybe im not reading your diagram correctly?

OpenStudy (anonymous):

I need to find the length of AD

OpenStudy (dumbcow):

ok yes BD is the hypotenuse use pythagorean thm

OpenStudy (dumbcow):

no to find AD you need to know BD first

OpenStudy (anonymous):

ok can you walk me through it?

OpenStudy (dumbcow):

BD = sqrt(28^2 +21^2)

OpenStudy (dumbcow):

yeah that sounds right

OpenStudy (dumbcow):

|dw:1334289375050:dw| you have to use trig or special right triangles its a 30-60-90 triangle with ratios 1:sqrt3:2 --> 35/AD = sqrt3 --> AD = 35/sqrt3

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