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CBSE Class 11-science Answered

Question on straight lines- find the possible co-ordinates.
Asked by ravikiran | 06 Sep, 2009, 10:08: AM
Expert Answer

Dear Student

One additional information is needed to find the coordinates of  vertex A

it could be either the length of median from A to BC or distance of circumcentre to the vertex or centroid. Pls check

Let coordinates of A be (h, k)

Circumcentre G     = (0, 0)   (Given)

Orthocentre  = (9, 5)    (Given)Equation of BC= 2 x –y = 10 Slope of line perpendicular to it is -1/2

     

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