Since DB is the median of the triangle, it would bisect the base AC. This would mean that AB and BC are equal halves of the whole AC. So, if AC is 50, then,
AC = AB + BC
since AB = BC,
AC = 2AB
50 = 2AB
AB = 50/2
AB = 25
The answer is 25.
I am pretty sure the answer would be -.02
Bc you would do 2-3.6/5- -3
Volume=904.78
Surface Area=452.39
