A surveyor starting from a point A moves N. 31°55′ E. A distance of 639′ 3.75″ to point B . Next, she moves N. 55°16′ E. A distance of 421′ 6.75″ to point C. Next, she walks S. 4°8′ W. A distance of 1602′ 9.25″ to point D . Finally, she returns to the starting point. Q:What distance must she walk to return to the starting point? (Answer accurate to the nearest quarter inch.) Q:What heading does she walk from the fourth point to return to the starting point? (Answer accurate to the nearest minute.) Q: What is the acreage of this plot of land