Current location - Training Enrollment Network - Mathematics courses - A topic in the first volume of the eighth grade mathematics book published by Beijing Normal University.
A topic in the first volume of the eighth grade mathematics book published by Beijing Normal University.
If the water depth is x feet, the reed length is (x+ 1) feet. According to Pythagorean theorem, there are:

x? +5? =(x+ 1)?

x= 12

Answer: The depth of this pool is 12 feet, and the length of the reed is 13 feet.