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If the points A(-2, k), B(3,-4) and C(7...

If the points A(-2, k), B(3,-4) and C(7,10) are the vertices of a right angled isosceles triangle right angled at A, find the value of k and the area of ` Delta ABC `.

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The correct Answer is:
k = 5 and area of `Delta ABC ` is 53 sq units.
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