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Question:

[89]. एक त्रिभुज में, I अंतःकेंद्र (Incenter) है। यदि है, तो का मान क्या होगा? / In a triangle , I is the incenter. If , what is the measure of ?

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Correct Answer:

अंतःकेंद्र (Incenter) के गुणधर्म के अनुसार: ।

। / According to the property of incenter, . Solving gives .

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