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Let the length of the base = x
      hypotenuse = 33-2x
       perpendicular = x+7
So, by pythagoras theorem,
 x-8=0 or x-65=0
 therefore, x=8 or x=65

If x=8
the sides are 8,15,17 cm.

If x=65
the sides are 65,72,-137 cm.

Since, the answer for second value is in negative we will negotiate it.

Therefore, x=8 and the sides are 8 cm , 15 cm & 17 cm.

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