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Homework Help Forum: geometry
Posted by Jalysa on Wednesday, October 14, 2009 at 5:47pm.
A guy wire is used to stabilize a utility pole. The wire is fastened to the pole 25 feet above the ground, and staked into the ground 4 feet from the base of the pole. (No stand-offs are used, the wire goes directly from the pole to the ground stake.) Someone recommends that more stability could be achieved by moving the ground stake out to 6 feet from the pole.
a. How long is the guy wire with the present arrangement?
b. How much longer would the guy wire have to be with the proposed arrangement?
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- geometry - jim, Wednesday, October 14, 2009 at 6:49pm
a) So you're looking at a Right Angled Triangle (RAT) with the two short sides being 4 and 25. What does Pythagoras say about the other side, which must be the hypotenuse?
b) This is the same question, except with 6 on the shortest side instead of 4.
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