The solutions to all the three shapes are shown
in the illustration.
The "Fat" T (top right diagram) was found by Manuel R. Pablo from
The trapezoid (bottom diagram) known as the "Teezer" puzzle was made
in 1975 by Hoi Polloi, New York City.
The "Fat" T and the "Teezer" puzzle were described by Martin Gardner
in his famous puzzle column in the Scientific American magazine along
with the classic solution.