1. Plot points A, B, and C, and draw a polygon, AABC , through the points. 2. Draw a line perpendicular to AC through point B. 3. Label the intersection of the line perpendicular to AC through B and A point D. 4. Measure and display the slopes of AC and BD . 5. Display the equations of AC and By in the Algebra margin. 6. Measure and display the lengths of AC and BD. 7. Calculate and display the area of AABC