Friday, December 6, 2013

QUESTION: Landmarks

Inside what landmark is there a plaque that reads "y = -127.7 ft x cosh (x/127.7 ft) + 757.7 ft"?

4 comments:

Mom said...

The Pentagon

Karen said...

the arch in st. louis

Matt said...

Washington Monument

Aunt Sis said...

Albert Einstein's grave???