1. Two circles of radii 5 cm and 3 cm touch extenally, then the ratio in which the direct common tangent to the circles divides extenally the line joining the centers of the circles is:





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  • By: anil on 05 May 2019 02.19 am
    Circle with centre A has radius OA = 5 cm Circle with centre C has radius OC = 3 cm
    The direct common tangent intersects the line joining the centres at O. Thus, it clearly divides OA : OC = $$5:3$$ => Ans - (D)
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