Find the Area of Triangle ABC with the Given Parts $14 \mathrm { ft }$

Find the area of triangle ABC with the given parts. Round to the nearest tenth when necessary.
-The sides of a parallelogram are $14 \mathrm { ft }$ and $16 \mathrm { ft }$ . One angle is $41 ^ { \circ }$ while another angle is $139 ^ { \circ }$ . Find the lengths of the diagonals of the parallelogram (to the nearest tenth of a foot) .

A) $16.8 \mathrm { ft }$ and $24.9 \mathrm { ft }$
B) $113.9 \mathrm { ft }$ and $790.1 \mathrm { ft }$
C) $10.7 \mathrm { ft }$ and $28.1 \mathrm { ft }$
D) $19.2 \mathrm { ft }$ and $10.7 \mathrm { ft }$