Answer:
A.
Explanation:
The volume of rectangular prism is l x w x h
So, 12 x 6 x 8 =576
Volume of triangular prism is l x w /2 x h
So, 6x8=48/2= 24
24x12=288
576/288=2
This shows that the rectangular prism is 2 times larger than the triangular prism.
Therefore, the answer is A.