Determine the surface area and volume of the following right square pyramid
(Note: 12.9m is the slant height, not the height of the pyramid.)
![Determine the surface area and volume of the following right square pyramid Note 129m is the slant height not the height of the pyramid class=](https://us-static.z-dn.net/files/d26/1cf2d11d83eaf6378c56dbcbf99069c8.png)