Plot a point A with coordinates (0, 0)[br]Plot a point B on the x-axis (x'Ox)[br]Plot a point C on the (y'Oy) axis[br]Draw a line parallel to the horizontal axis passing through point C[br]Draw the line (AD) with point D lying on the line parallel to the horizontal axis passing through C.[br]Draw the line (BE) with point E lying on the line parallel to the horizontal axis passing through C.[br]Draw the polygon ABED.[br]Draw the line perpendicular to the horizontal axis passing through D. It intersects the x'Ox axis at point H[br]Draw the segment [HD], the height of the trapezium, and display it as a dotted line.