Acable 16 m long runs from the top of a utility pole to a point on the ground 4 m from the base of the pole. how tall is the utility pole, to the nearest tenth?

a. 256
b. 16
c. 15.5
d. 16.5

16.5

Explanation:

You would want to use the Pythagorean Theory which is a^2+b^2=c^2

S...

16^2 + 4^2 = c^2

256 + 16 = c^2

272 = c^2

square root of 272 = 16.4924225025

Round that to 16.5

Easier way? Multiply since they have the same value

16m * 4m = 16.4 ~ D. 16.5

answer:   the correct answer is: [a]:  

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