Answers

2014-10-05T18:41:27+05:30
See in 10 class maths text book it is given in detail

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2014-10-06T12:27:48+05:30
In the plane of a triangle if a line perpendicular to the traingle then it intersects the triangle in two distint point then the segement in one half plane is proportional to the segement in other half plane
pm/qm=pn/rn
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