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20-06-2017
Mathematics

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A 3 foot pole casts a 6 foot shadow. A 4 foot pole casts an 8 foot shadow.

Use a linear equation to predict the length of a shadow cast by a 6 foot pole.

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20-06-2017

Since this is linear the rate is constant, and by similar triangles we can say

s/h=s/h

s/6=6/3

s/6=2

s=12 ft

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