STEP 13
Now select crop tool from the tool panel. You can also press shift+C again and again until it comes. Now get your mouse cursor over the image. Press and hold ctrl/cmd. Now you might have observed that the cursor icon has changed. Now draw a line with 240-260 degree from the positive x axis as shown in the image below. Release the mouse.
Your image should look like this(Note that check boards indicates the transparent background).
