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In the adjacent figure, ABC is a triangl...

In the adjacent figure, ABC is a triangle in which `angleB = 50^(@)` and `angleC = 70^(@)` . Sides AB and AC are produced. If ‘z’ is the measure of the angle between the bisectors of the exterior angles so formed, then find 'z'.

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The correct Answer is:
`z = 60^(@)`
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