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Find the angle of depression of the bottom of the pool

0 votes

A swimming pool is 20 meters long and 12 meters wide. The bottom of the pool is slanted so that the water depth is 1.3 meters at the shallow end and 4 meters at the deep end.

asked Mar 2, 2013 in TRIGONOMETRY by johnkelly Apprentice

1 Answer

0 votes

Using the tangent function, you can see that

tan A = oPP/adj

          =2.7/20

         =0.135.

So, the angle of depression is

    A = arctain 0.135

      =0.13419 radian

     =7.690 ,    

answered Mar 2, 2013 by steve Scholar

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