Question

A shape consisting of a vertical rectangular prism and a horizontal rectangular prism. The horizontal prism rests against the bottom portion of the vertical prism. The base is horizontal and is labeled 8 meters, at its right it turns up ninety degrees to a short vertical segment that is labeled 3 meters. That segment turns ninety degrees to the right to form a second horizontal segment labeled 9 meters. At the end of this segment there is a ninety degree turn up to a short vertical 6 meter segment. The top horizontal segment meets this one at a ninety degree angl