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OpenStudy (anonymous):
Two trees stand side-by-side. The shorter tree is 4 feet tall. Its shadow is 9 feet long. The taller tree is 18 feet tall. How long is its shadow? a) 4.5 b) 8 c) 23 d) 40.5
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OpenStudy (cwrw238):
these will form two similar triangles so ratios of 2 heights = ratio of the 2 shadows 4 / 18 = 9 / x solve for x
OpenStudy (anonymous):
how?
OpenStudy (cwrw238):
cross multiply: 4x = 9*18 4x = 162 can you continue?
OpenStudy (anonymous):
no
OpenStudy (anonymous):
i got it thanks
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