Use the image to answer the question.
A coordinate plane shows a rectangle A B C D plotted in the first quadrant. The x axis and y axis range from negative 2 to 10. A rectangle A B C D is plotted with points A at left parenthesis 1 comma 1 right parenthesis, B at left parenthesis 1 comma 5 right parenthesis, C at left parenthesis 4 comma 5 right parenthesis, and D at left parenthesis 4 comma 1 right parenthesis. The points are connected by solid lines and the area of the rectangle is shaded.
Calculate the area of the rectangular polygon.
(1 point)
Responses
6 square units
6 square units
14 square units
14 square units
12 square units
12 square units
7 square units
7 square units
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page 12 of 12
The area of the rectangle can be calculated by finding the length and width of the rectangle.
Length = CD = 5 - 1 = 4 units
Width = AB = 4 - 1 = 3 units
Area = Length x Width
Area = 4 units x 3 units
Area = 12 square units
Therefore, the correct answer is:
12 square units