In a rectangular coordinate system, what is the square root of the area of a trapezoid whose vertices have the coordinates (2, -2), (2, 3), (20, 2), (20, -2)?  Choose the correct choice from the following answers: A) 7.5 B) 9 C) 10.22 D) 12.25 E) 14
we can form rectangle and then minus the area of triangle   18*5 -9= 
<gadget id="calculator">18*5 -9</gadget>
<output>81</output>
81 sq rt of which is 9   ANSWER:9
<result>B</result>
In a rectangular coordinate system, what is the square root of the area of a trapezoid whose vertices have the coordinates (2, -2), (2, 3), (20, 2), (20, -2)?