Question

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    A 98⁰ Correct Answer Incorrect Answer
    B 52⁰ Correct Answer Incorrect Answer
    C 93° Correct Answer Incorrect Answer
    D 103° Correct Answer Incorrect Answer

    Solution

    ∠ DEC = 1800 – 1280 = 5200 ∠ EDC = 1800 – (520 + 250) ∠ EDC = 1800 – 770 ∠ EDC = 1030 Chord BC makes 1030 at D by same are make it 1030 at ∆ ∠ BAC = 1030

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