GMAT Quantitative Reasoning Practice Test 2

Question : 4 of 100

Marks: +1, -0

The area of an isosceles trapezoid with sides of length 5 and bases of length 8 and 14 is?

Solution:

The height of the trapezoid can be calculated using a right angle triangle of 3,4 and 5 created with the height, the side and half of the difference between the two bases. When finding the height of 4 , the area is calculated as the product of the average of the bases and the height:

(\;{8+14}/{2}) × 4=44

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