What is the answer to try and find the Surface area of a triangular prism for this question ​

With #! i’ve tried to figure it out but i can’t.

The figure below shows rectangle abcd and the triangle eca on a coordinate plane.which of the following expressions represents the perimeter of triangle of triangle eca in units

East black horse $0.25 total budget is $555 it'll cost $115 for other supplies about how many flyers do you think we can buy