1.Select the chart that you want to resize.
2.While holding the left mouse button pressed, drag one of the frame markers so that the chart takes the desired size.
3.Release the left mouse button to fix the new chart size.
The upper and lower markers are used to adjust the height of the chart. The right and left markers are used to adjust the width of the chart. The angle markers are used to change the height and width of the chart proportionally.