Suppose the Figure Below Is an Exaggerated Diagram of a Plane

Short Answer

Suppose the figure below is an exaggerated diagram of a plane flying above the earth. The plane is 5.05 miles above the earth and the radius of the earth is 4,000 miles. To each of your answers, apply the rules regarding the use of significant digits when determining your answer. Round the distance to the nearest miles and the angle to the nearest tenth of degree.
How far is it from the plane to the horizon? __________ mi
​What is the measure of angle A ? __________ °