A window is in the form of a rectangle surmounted by a semi-circle. If the total perimeter of the window is `30"\ m",` find the dimensions of the window so that maximum light is admitted.

A window is in the form of a rectangle surmounted by a semi-circle.If the total perimeter of the window is 30m, find the dimensions of the window so that maximum light is admitted.

A window is in the form of a rectangle surmounted by a semi-circular opening. The total perimeter of the window is 20 m. Find the dimensions of the window to admit maximum light through the whole opening.

A window is in the form of a rectangle surmounted by a semi-circular opening. The total perimeter of the window is 10 m. Find the dimensions of the window to admit maximum light through the whole opening.

A window is in the form of a rectangle surmounted by a semicircular opening. The total perimeter of the window is 10 m. Find the dimensions of the window to admit maximum light through the whole opening.