Claire is attaching a rope to the top of the mast of her sailboat so that she can lower the sail to the ground?

Claire is attaching a rope to the top of the mast of her sailboat so that she can lower the sail to the ground to do sum repairs.The mast is 8.3m long and with her eye level with the base of the mast the top forms an angle of 31 degrees with the ground. How much rope does Claire need if 0.5 m of rope is required to tie the mast?