8. Dimensions and Construction. The Space Needle is 605 feet (184m)
tall, the rough equivalent of 60 stories, though it only has a few
Moors. The outdoors observation deck, along with a cafe and
historical information can be found at 520 feet (158m). The
observation deck is circular, with a 138 foot (42m) diameter.
observation deck
a) What is the Circumference of the observation
deck? Use the formula C=21tr = d.
Round your answer to the nearest tenth.