GMAT Quantitative Reasoning Practice Test 2

Question : 42 of 100

Marks: +1, -0

In a rectangular axis system, what is the area of a parallelogram with the coordinates:

(5, 7), (12, 7), (2, 3), (9, 3)

Validate

Solution:

First, draw the axis system and mark the 4 points. Connect the points to get a parallelogram. The area is calculated by the multiplication of one on of the bases and the height. The height is

7 − 3 =

4, the length of the base is

9 − 2 = 7

. The area is

4 × 7 = 28.

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