SOLUTION: A point A is in the exterior of a circle with centre O.OA meets the circle at S.ST is a tangent to this circle at S which meets another circle with centre O and radial segment OA a
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Question 252883: A point A is in the exterior of a circle with centre O.OA meets the circle at S.ST is a tangent to this circle at S which meets another circle with centre O and radial segment OA at T.OT is drawn to cut the first circle at B.prove that BA is tangent to its circle at B.[ HINT:PROVE TRIANGLE OBA=TRIANGLE OST Answer by richwmiller(17219) (Show Source):
