[填空题]
A farmer has a field in the1y3* bfp)rfwa form of a tr 78s+xw8 e7gpfi o mw,-kbbc(iiangle, ABC, as shown in the following diagram. Side length AB is 150 m and side lpb7wisk,- 8bge xiw f(+ c78moength BC is 200 m. Angle $\mathrm{A}\hat{\mathrm{B}}\mathrm{C}$ is $62^{\circ}$.
1.Calculate the side length AC. m
2.Calculate the area of the field, rounding your answer to the nearest square meter. $m^2$
