Find the steady-state temperature distribution in a rectangular plate 30 cm by 40 cm
given that the temperature is 0◦ along the two long sides and along one short end;
the other short end along the x axis has temperature
t =100◦, 0 0◦, 10

If you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no. explain your mathematical thinking