Answer:
The surface area is
Step-by-step explanation:
see the attached figure to better understand the problem
we know that
The surface area of a triangular prism is equal to
where
B is the area of the triangular base
P is the perimeter of the triangular face
H is the height of the prism
<em>Find the area of the base B</em>
<em>Find the perimeter of the base P</em>
we have
substitute the values
because he just wants his socks to wear
5% of 320 is 16
you multiply 320 by .05 to get 16
0.236
Multiply 0.4 by 0.59
hopes this helps have a good day :) <3
brainlest???
there arent any options