Question 1015167
I will assume the longer side is the hypotenuse
Let {{{ b  }}} = the missing leg
{{{ b^2 = 85^2 - 75^2 }}}
{{{ b^2 = 7225 - 5625 }}}
{{{ b^2 = 1600 }}}
{{{ b = 40 }}}
The sides are 40, 75, 85
and the missing side is a leg