How do make expression of yhe perimeter

An airplane is flying at an elevation of 5150 ft, directly above a straight highway. two motorists are driving cars on the highway on opposite sides of the plane, and the angle of depression to one car is 35 ̊ and to the other is 52 ̊. how far apart are the cars?

What is the name of the thick, lower end of the digestive tract where solid waste is gathered and leaves the body?

Is this function periodic? why or why not?