$222.$ The triangular plate is fixed at its base, and its apex A

is given a horizontal displacement of $5$ mm$.$ Determine the

shear strain, gxy$,$ at A$.$

$223.$ The triangular plate is fixed at its base, and its apex A

is given a horizontal displacement of $5$ mm$.$ Determine the

average normal strain Px along the x axis.

$*224.$ The triangular plate is fixed at its base, and its apex A

is given a horizontal displacement of $5$ mm$.$ Determine the

average normal strain Px$$ along the x$$ axis.