What's In formula V = L x W x H, where L= length, W= width, and H- You can find the volume of a rectangular prism by using the height. Find the volume of the following objects below. 2. 40 cm 1. 30 cm POPCORN 22 cm 10cm 12 cm 20 cm Go to the Answer Key. If you got 2, Excellent! If you have any mistakes, it's OK, try to review your solutions