Solve and write equation

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.

Write two subtraction equations that are equivalent to 5 + 12 = 17.

Through non-collinear points there is exactly one plane.