A triangular corner is cut from a rectangular piece of paper and the resulting pentagon has sides 5,6,8,9,12 in some order. The ratio of the area of the rectangle is

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Correct answer: D. 17 18

Angle of Rectangle =12 9 Area of pentagon =12 9- 1 2 3 4=12 9-6 Required = 12 9-6 12 9 = 17 18

A triangular corner is cut from a rectangular piece of paper and the resulting pentagon has sides 5,6,8,9,12 in some order. The ratio of the area of the rectangle is

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