Chapter 11 - Surface Area and Volume - 11-5 Volumes of Pyramids and Cones - Practice and Problem-Solving Exercises - Page 730: 9

$443.7 \ cm^3$

The volume of a square pyramid is: $Volume =\dfrac{1}{2} \times b\times h=\dfrac{1}{2} \times S^2 \times h$ Plug the values of $S$ and $h$ into the formula to obtain: $Volume=\dfrac{1}{2} \times (11)^2 \times (11)\\=\dfrac{1}{2} \times 121 \times 11 \\=443.7 \ cm^3$