SOLUTION: A wire is needed to support a vertical pole 18 feet high. The cable is to be anchored 8 feet from the base of the pole. How much cable is needed? Approximate the answer to three

Algebra ->  Customizable Word Problem Solvers  -> Evaluation -> SOLUTION: A wire is needed to support a vertical pole 18 feet high. The cable is to be anchored 8 feet from the base of the pole. How much cable is needed? Approximate the answer to three       Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 958366: A wire is needed to support a vertical pole 18 feet high. The cable is to be anchored 8 feet
from the base of the pole. How much cable is needed? Approximate the answer to three
decimal places.
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
a=distance from base; b=height; c=length of wire
a%5E2%2Bb%5E2=c%5E2
%288ft%29%5E2%2B%2818ft%29%5E2=c%5E2
64ft%5E2%2B324ft%5E2=c%5E2
388ft%5E2=c%5E2
sqrt%28388ft%5E2%29=c
19.698ft=c ANSWER The length of the wire would be 19.698 feet.