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25 Mar 2020
Turning a Corner .A steel pipe is being carried down a hallway that is 
wide. At the end of the hall there is a right angled turn into a narrower hallway 
wide.
Show that the length of the pipe in the figure is modeled by the function
Turning a Corner .A steel pipe is being carried down a hallway that is wide. At the end of the hall there is a right angled turn into a narrower hallway wide.
Show that the length of the pipe in the figure is modeled by the function
Elin HesselLv2
25 May 2020
long and 
wide. The front and back faces are vertical, but the left and right faces are slanted at 
from the vertical and measure 
. (See the figure.)
, and 
be the three vectors shown in the figure. Find
. [Hint: Recall that 
and 
.]
and the
, as shown in the figure. Each piece is bent into the shape of a square.