math (algebra)
posted by danielle .
An auto dealer wants to string a wire from the top of a pole to the ground and hang colorful pennants from it. The distance from the base of the pole to the point where the wire is attached to the ground is 3 times the height of the pole. If the wire is 63 feet long, how tall is the pole? (hint: draw a diagram, assume the pole is planted perpendicular to the ground).
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