7 Math Instructor City College of San Francisco Expert Interview. This is the equation. To find the area of the base circle you can just use the same formula youd use to.
How to Calculate the Volume of a Rectangular Prism.
Next plug the area into the formula for finding the volume of a triangular prism which is V b x h or volume equals the area of the base multiplied by the height of the prism. On other end multiply 2 with the base side and add the top side with the obtained value. Find the radius of the circular base. Volume B h3 B area of base 2 ft 2 ft 4 ft 2.