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17-03-2017
Mathematics

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a 4 ft post casts a 20 inch shadow at the same time a nearby cell phone tower casts a 125 ft shadow. how tall is the cell phone tower?

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jdoe0001 jdoe0001

18-03-2017

notice the picture below

so, the two triangles are similar by AA

thus [tex]\bf \cfrac{x}{4}=\cfrac{125}{20}[/tex] solve for "x"

Ver imagen jdoe0001

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