Question 231985
Let one side be given by l.
You are told the second side is also l
The third side is {{{l+9}}}
You know the perimeter is the sum of the sides. So
{{{l + l + (l+9) = 93}}}
{{{3l + 9 = 93}}}
{{{3l = 84}}}
{{{l = 84/3}}}
sides are 84/3, 84/3 and (84/3 + 9) = 111/3