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if two tangents includined an angle of 60 are drawn to a circle of radius 3 centimetre then find the length of each tangents |
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Answer» Let PA and PB be the TWO tangents to a CIRCLE with centre O and RADIUS 3 ∴∠APO=∠BPO =21×∠APB =21×600 =300 Also, OA⊥AP and OB⊥BP In a right angled triangle OAP, tan300=PA3 ⇒31=PA3 ⇒PA=33cm ⇒PA=PB=33 CM |
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