A. A forest ranger at an observation pointAsights a fire in the direction N2710'E. Another ranger at an observation pointB,4.0miles due east ofA, sights the same fire at N5240'W. Approximate the distance from each of the observation points to the fire. (Round your answers to two decimal places.)

distance from pointA ___________ midistance from pointB

_______mi

B.A helicopter hovers at an altitude that is 1000 feet above a mountain peak of altitude5270feet, as shown in the figure. A second, taller peak is viewed from both the mountaintop and the helicopter. From the helicopter, the angle of depression is 43, and from the mountaintop, the angle of elevation isa=21. (Round your answers to the nearest foot.)

distance from pointA	mi
distance from pointB	mi