Answer:
The volume of the triangular prism is 
Step-by-step explanation:
we know that
The volume of the triangular prism is equal to

where
B is the area of the triangular face
L is the length of the prism
step 1
Find the area of the triangular face
The area of a triangle is equal to

we have

substitute

step 2
Find the volume
we have


substitute in the formula of volume


Answer:
THE ANSWER IS 4.50
Step-by-step explanation:
You could say 84/2, 126/3, or even 168/4
I think 1 is A , I think!