Two great structures are described below. What is the difference, in square feet, between the visible surface area of
the Great Pyramid and the first tower of the World Trade
Center? (Hint: The bottom side is not visible for either
structure.)
On September 11, 2001,
The Great Pyramid of
terrorists crashed planes
Giza, built around 2550
into the World Trade
B. C., has a square base
Center Twin Towers. The
with a length of 756 feet,
first tower was a
and the distance from
rectangular prism with a
the middle of any base
square base whose sides
side to the top is 612 feet.
were 208 feet long. The
tower was 1,368 feet tall.