In a rectangular axis system, what is the area of a parallelogram with the coordinates: (4,4), (7,4), (5,9), (8,9) ? Select the correct option: A) 21. B) 28. C) 5. D) 49. E) 52.
Delta x will give us the dimension of one side of the parallelogram = 5-4= 
<gadget id="calculator">5-4</gadget>
<output>1</output>
1 unit   Delta y will give us the dimension of the other side of parallelogram= 9-4= 
<gadget id="calculator">9-4</gadget>
<output>5</output>
5 unit   Area of parallelogram= 1*5= 
<gadget id="calculator">1*5</gadget>
<output>5</output>
5   ANSWER IS 5.
<result>C</result>
In a rectangular axis system, what is the area of a parallelogram with the coordinates: (4,4), (7,4), (5,9), (8,9) ?