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BdMO National Higher Secondary 2019/7

Source: BdMO National Higher Secondary 2019/7

March 4, 2019
geometry

Problem Statement

Given three cocentric circles ω1\omega_1,ω2\omega_2,ω3\omega_3 with radius r1,r2,r3r_1,r_2,r_3 such that r1+r3≥2r2r_1+r_3\geq {2r_2}.Constrat a line that intersects ω1\omega_1,ω2\omega_2,ω3\omega_3 at A,B,CA,B,C respectively such that AB=BCAB=BC.
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