Solve the Problem $86.93 \mathrm { mph }$ B) $80.29 \mathrm { mph }$

Multiple Choice

Solve the problem.
-Any offset between a stationary radar gun and a moving target creates a "cosine effect" that reduces the radar mileage reading by the cosine of the angle between the gun and the vehicle. That is, the
Radar speed reading is the product of the actual reading and the cosine of the angle. Find the radar
Reading to the nearest hundredth for the auto shown in the figure.

A) $86.93 \mathrm { mph }$
B) $80.29 \mathrm { mph }$
C) $85.07 \mathrm { mph }$
D) $30.82 \mathrm { mph }$