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प्रश्न
Given a Δ ABC with unequal sides. Find a point which is equidistant from B and C as well as from AB and AC.
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उत्तर
Draw the angular bisector of ∠A and perpendicular bisector od side BC of Δ ABC.
Let these two bisectors meet at point O. Hence'O' is our required point.
Proof: Since, O lies on the right bisector of BC.
∴ O is equidistant from B and C.
Again, since O lies on the bisector of ∠A, formed by AB and AC.
So O is equidistant from AB and AC.
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