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?

Respuesta :

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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