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Question Number 208940 by efronzo1 last updated on 28/Jun/24

Answered by kapoorshah last updated on 28/Jun/24

$$r=OD=\sqrt{10}$$$$BE=\sqrt{15}$$$$BOE\sim BCA$$$$\frac{BO}{BE}=\frac{BC}{AB}$$$$\frac{\sqrt{10}}{\sqrt{15}}=\frac{BC}{2\sqrt{10}}\Rightarrow BC=\frac{20}{\sqrt{15}}=5.164$$$$$$

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