1 25p x A 50 cm C 70 B c the amount of change in plate thickness d the final volume of the plate 150 MPa E 70 GPa v 1 3 40 cm 1 5 cm ABC triangle is drawn on the thin plate in the figure when it is unloaded AB length is parallel to the x axis and measured as AB 20cm Determine a the final length of side BC b the amount of change of side AC 90 K MPa