Question 1113550
The diagonal (d) of a prism is given by the formula

{{{d^2=(l^2+b^2+h^2)}}}

{{{d^2-(l^2+h^2) = width^2}}}

w^2=33.75

w=5.81

formula for surface area

2(lw+lh+wh)
=
l=14, w=5.81 h =12

Plug them to get the answer