a guy wire attached to a vertical pole of height 18m is 24m long and has a stake attached to the other end.how far frm the base of the pole should the stake be driven so that the wire will be taut?

Question

phi · Answer

|dw:1339867681750:dw|
use the pythagorean theorem to find x.  to make the arithmetic easier, notice that you can divide all the sides by 6 to get 4,3,x  solve for x and then multiply by 6 to get the final answer.

$$ 6\sqrt{4^2-3^2} $$
which you can simplify, right?