Question 1190581
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Assuming the pole is perfectly vertical, and the ground is completely horizontal, then a right triangle forms.


a = 8 = vertical leg
b = 6 = horizontal leg
c = unknown hypotenuse


Apply the pythagorean theorem
a^2 + b^2 = c^2
c = sqrt(a^2 + b^2)
c = sqrt(8^2 + 6^2)
c = sqrt(64+36)
c = sqrt(100)
c = 10


Answer: The cable is 10 meters long.
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