Two marks exercise problems VI — task. Mathematics State Board, Class 9.

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The vertices of a triangle are \((1, 2)\), \((h, -3)\) and \((-4, k)\). If the centroid of the triangle is at the point \((5, 1)\) then the value of

\sqrt{{(h + k)}^{2} + {(h + 3 k)}^{2}}

\sqrt{{(h + k)}^{2} + {(h + 3 k)}^{2}}

\(=\)

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11. Two marks exercise problems VI