Measure the angles of abc and its three images, and record the measurements in the table. round each answer to the nearest degree.

twelve points

Answer the questions in the attachment. a rescue helicopter is at point a and a rescue boat is at point e. the helicopter pilot spots boats in distress at points d and c,with angles as marked in the diagram. figure abce is a rectangle. the altitude of the rescue helicopter, represented by ae, is 5000 feet.

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

Simplify the given expression leaving the answer in improper fraction form. 2/3+5/6