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The length of the base of a right-angled...

The length of the base of a right-angled triangle is 5 m more than `(1)/(2)` part of its perpendicular drawn on it and the length of the hypotenuse is 9 m more than `(4)/(5)` part of its perpendicular. Find the length of the perpendicular. Also find the area of the triangle.

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The correct Answer is:
20 m, 150 sq-m
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