Finding Perimeter and Area on a cross section

Question

I don't really get how cross-section works. So um, this is the problem:

 

"You cut the cake vertically to make two congruent parts."

Image: https://i.imgur.com/QfyZQ8d.png

 

A) Find the perimeter and area of the cross section formed by the cut.

Answer 1

So the cake is cut all the way across.

 

the dimensions of the cross section has length 14 and the width is 4.25

 

The area is 59.5

The perimeter is 36.5