Option C:
The volume of the right triangular prism is 90 cubic centimeter.
Solution:
Base of the prism = 5 cm
Height of the base = 6 cm
Length of the prism = 6 cm
Volume of the right triangular prism:


V = 90 cubic centimeter
The volume of the right triangular prism is 90 cubic centimeter.
Option C is the correct answer.