ABCD is a trapezium. Click and drag either of the blue points to change the shape of the trapezium.[br][br]Observe and answer the following questions:[br][br]a) How are the lengths of the diagonals related?[br]b) How are the angles formed by the intersections of the diagonals related?[br]c) How are the midpoints of the diagonals related?

Observe and answer the following questions:[br][br]a) How are the lengths of the diagonals related?[br]b) How are the angles formed by the intersections of the diagonals related?[br]c) How are the midpoints of the diagonals related?