A slice is made perpendicular to the base of a right rectangular prism, as shown.
What is the area of the resulting two-dimensional cross-section?
168, 280, 140, 20, and 240 are the options given
![A slice is made perpendicular to the base of a right rectangular prism as shown What is the area of the resulting twodimensional crosssection 168 280 140 20 and class=](https://us-static.z-dn.net/files/d2a/c6726a1dbb17fae04a833400951bc548.png)