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Mathematics 13 Online
OpenStudy (anonymous):

In △JKL, KM is an altitude. What is the length, in units, of JK? (ill post image)

OpenStudy (anonymous):

OpenStudy (dan815):

hi these are similar triangles can u see it

OpenStudy (dan815):

LMN similar to KMJ

OpenStudy (anonymous):

I see it yes.

OpenStudy (dan815):

and conversely LKH must be similar to these 2

OpenStudy (dan815):

so there are 3 similar triangles here

OpenStudy (anonymous):

Yes

OpenStudy (dan815):

therefor these are all proportionate use that fact to solve the side u want

OpenStudy (anonymous):

Explain how please

OpenStudy (anonymous):

Nice drawing :p

OpenStudy (anonymous):

But why draw what I posted?

OpenStudy (dan815):

so we can work on this

OpenStudy (anonymous):

ok

OpenStudy (dan815):

what can u write with these x and ys

OpenStudy (dan815):

|dw:1371181983715:dw|

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