In a rectangular axis system, what is the area of a parallelogram with the coordinates: (5,3), (8,3), (4,5), (7,5) ?  Choose the correct option.
A) 21.
B) 28.
C) 35.
D) 49.
E) 6.
Delta x will give us the dimension of one side of the parallelogram = 8-5= 
<gadget id="calculator">8-5</gadget>
<output>3</output>
3 unit   Delta y will give us the dimension of the other side of parallelogram= 5-3= 
<gadget id="calculator">5-3</gadget>
<output>2</output>
2 unit   Area of parallelogram= 3*2= 
<gadget id="calculator">3*2</gadget>
<output>6</output>
6   ANSW6.R IS 6.
<result>E</result>
In a rectangular axis system, what is the area of a parallelogram with the coordinates: (5,3), (8,3), (4,5), (7,5) ?