Question 30808
1. the smallest is x
2. then the mid is 2x+17
3. the largest is x+55
4. the sum of the interior angle in a triangle is 180
   so, x+(2x+17)+(x+55)= 180
       4x+72=180
       4x=180, x=27 then 2x+17(the mid) = 81 and the largest is 82.