HELP FAST PLEASE

A right triangular prism is constructed so that its height
is equal to the leg length of the base.
What expression represents the volume of the prism, in
cubic units?
1x + x
2x²
o 2x²+x

HELP FAST PLEASE A right triangular prism is constructed so that its height is equal to the leg length of the base What expression represents the volume of the class=