Determine if the sequence below is arithmetic or geometric and determine the common difference / ratio in the simplest form. 20,10,5

answer:  

step-by-step explanation:

here x represents the height of the pole,

and, the height of the shadow of the pole is 12 feet.

also, the angle of elevation from the top of the pole is 40°,

therefore,

by the low of sine,

which is the required equation for finding the value of x,

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d is ur answer hopes this i dont really know how to explain it to u.