A goat is tied with a 10.5 m-long rope to one corner of a plot which is in the shape of an equilateral triangle each side of which is 16 m long. Find the area that the goat can graze on.

A

62.25 $$m^{2}$$

B

57.75 $$m^{2}$$

C

53.5 $$m^{2}$$

D

51.75 $$m^{2}$$