Answer:
Step-by-step explanation:
A triangular prism is a prism that has two triangular faces and three rectangular sides.
The area of the rectangular sides is A = lbh
A = area, l = length, and h = height.
The area of the triangular faces is A = 1/2bh
A = area, b = base, and h = height.
1,500 dollars
You would do 125 times 12 = 1,500
I tried looking it up, and i found 15 square units. sorry if its wrong :(