To calculate the total surface area of a prism: Find the area of ... so 2 × ½ × base × height = base × height. 3 × 4 = 12. The area of the triangular faces is 12 cm². Image caption, Next ...

In the same way that a triangular prism brings three connected lines ... prism by multiplying its length, width, and height: Once you calculate the volume of a three-dimensional shape with ...