Homework Help: Algebra 1

Posted by Libby on Thursday, May 15, 2008 at 3:46pm.

a girl that was 4 and a half feet tall was standing next to a telephone pole. at one 'o clock, her shadow was 8 ft. long, and the pole's was (i think) 36 ft. long, how tall was the pole?

this is from memory, since i forgot to bring the paper home. but i believe that is it.
I don't understand how to start.
PLEASE HELP!
THANKS!

Algebra 1 - Reiny, Thursday, May 15, 2008 at 6:54pm
you would have similar triangles, so by a simple ratio

h/36 = 4.5/8
h = 36*4.5/8 = 20.25

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