BO = 2BC.

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3. If from an external point B of a circle with centre O, two tangents BC and BD are drawn such that ∠DBC = 120°, prove that BC + BD = BO, i.e., BO = 2BC.
05
Jul
3. If from an external point B of a circle with centre O, two tangents BC and BD are drawn such that ∠DBC = 120°, prove that BC + BD = BO, i.e., BO = 2BC. 3. If from an external point B of a circle with centre O BO = 2BC. i.e prove that [...]
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Tags: 3. If from an external point B of a circle with centre O , BO = 2BC. , i.e , prove that BC + BD = BO , two tangents BC and BD are drawn such that ∠DBC = 120° ,