Solve problem. See EXAMPLE.
Height of a Dock A boat is being pulled into a dock with a rope attached to the boat at water level. When the boat is 12 ft from the dock, the length of the rope from the boat to the dock is 3 ft longer than twice the height of the dock above the water. Find the height of the dock.
EXAMPLE SOLVING A PROBLEM INVOLVING THE PYTHAGOREAN THEOREM
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