Choose the One Alternative That Best Completes the Statement or Answers

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
-A new homeowner has a triangular-shaped back yard. Two of the three sides measure $65 \mathrm { ft }$ and $80 \mathrm { ft }$ and form an included angle of $125 ^ { \circ }$ . The owner wants to approximate the area of the yard, so that he can determine the amount of fertilizer and grass seed to be purchased. Find the area of the yard rounded to the nearest square foot.

A) $5200 \mathrm { sq }$ . ft
B) $2130 \mathrm { sq } \cdot \mathrm { ft }$
C) $4260 \mathrm { sq } . \mathrm { ft }$
D) $2129 \mathrm { sq } . \mathrm { ft }$