Answer:
5.25 miles
Step-by-step explanation:
We are required to determine the distance between Lighthouse A and Lighthouse B in the diagram.
Using Law of Cosines

The distance between lighthouses is 5.25 miles.
Answer:Each pair of interior angle and the exterior angle
So the exterior angle = 360° - the interior angle.
R in this equation refers to the radius
Answer:
none of these, it should be 25%
Step-by-step explanation: