Michaelvelez1825 Michaelvelez1825
  • 02-12-2018
  • Mathematics
contestada

A 4​-ft vertical post casts a 12​-in shadow at the same time a nearby cell phone tower casts a 122​-ft shadow. How tall is the cell phone​ tower?

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wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 02-12-2018

Answer:

the cell phone tower is 488 ft

Step-by-step explanation:


change 12 in = 1ft

4ft                            x ft

------------------- =   ----------------

1ft  shadow           122 ft shadow


using cross products

4 * 122 = 1 * x

488 = x

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