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ABC is an isosceles triangle. If the co-...

ABC is an isosceles triangle. If the co-ordinates of the base are (1, 3) and `(-2,7),` then co-ordinates of vertex `A` can be: `(-1/2,5)` (b) `(-1/8,5)` `(5/6,-5)` (d) `(-7,1/8)`

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