For the figures below, assume they are made of semicircles, quarter circles and squares. For each shape, find the perimeter. Give your answer as a completely simplified exact value in terms of π (no approximations).

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2