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The area of the quadrilateral formed by the lines $4 x - 7 y - 13 = 0, 8 x - y - 39 = 0, 4 x - 7 y + 39 = 0, 8 x - y + 13 = 0$ is

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answer is B.

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Detailed Solution

Area $= | \frac{(c_{1} - d_{1}) (c_{2} - d_{2})}{a_{1} b_{2} - a_{2} b_{1}} |$

= 52 sq. unit

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