To find the volume of a rectangular prism, we use a certain formula.
Volume = Length × Width × Height
First, let's find the volume of the rectangular prism on the left. The length of the prism is 6 cm, the width of the prism is 7 cm and the height is 1 cm.
Now, we can plug these values into our formula.
Volume = (6) (7) (1)
6 × 7 = 42
42 × 1 = 42
Therefore, the volume of the rectangular prism on the left is 42 cm³.
Next, we will find the volume rectangular prism on the right using the same formula.
Volume = Length × Width × Height.
The length of the prism is 3 cm, the width of the prism is 7 cm and the height is 4 cm. Now, we can plug these numbers into our formula.
Volume = (3) (7) (4)
3 × 7 = 84
21 × 4 = 84
Therefore, the volume of the second rectangular prism is 84 cm³.
Now, we can add these two numbers together and we will get the volume of the entire figure.
84 + 42 = 126 cm³.