In a ΔABC, the bisectors of ∠B and ∠C meet at point O within the triangle. If ∠BOC is given, then which among the given options is true?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. ∠A = 2 (∠BOC - 90°)

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Concept |
Application |
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With the property of angle bisectors: ∠BOC = 90° + A/2 |
∠BOC = 90° + A/2 ⇒∠A = 2 (∠BOC - 90°) Hence, option 1 is correct. |