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  9. Q76

RRB NTPC 2021 · Question 76 of 131

In a triangle ABC, the in center is at O. Find angle BAC if angle BOC=110°.

  1. A50°
  2. B20°
  3. C40°Correct
  4. D30°

Answer: C. 40°

Explanation

When the bisector of ? B and ? C intersects At the O. Then – ? BOC =90 ° + ? A/2 110° =90 + ? A/2 ? A/2=20 ° ? A =20 °×2 =40° ? A =40°

Source: RRB NTPC 2021 CBT 1 Previous Year Paper (3 Feb) — ixambee compilation with answer key · reliable-secondary

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