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A boat is tied to a pier with a 25 foot rope so that the distance between the top of the pier and the top of the boat deck is 7 feet. If the water level goes down 8 feet with the low tide, how much closer (in feet) is the boat to the base of the pier? Assume the rope is always taut?

2007-09-03 05:24:47 · 3 answers · asked by la la la 2 in Science & Mathematics ➔ Mathematics

3 answers

Its Pythagorus.

First case is a right angled triangles sides 25, 7, 24

Second case sides 25, 15, 20

So 4 foot nearer.

2007-09-03 05:34:03 · answer #1 · answered by Beardo 7 · 0⤊ 0⤋

It is 4 feet.

2007-09-03 05:41:19 · answer #2 · answered by priyabrata d 2 · 0⤊ 0⤋

still 7 feet

2007-09-03 05:34:53 · answer #3 · answered by ssteve 1 · 0⤊ 0⤋