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Chapter 6 Exercise 6.1

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Chapter 6 Exercise 6.1

    • Posted by Bhawana Mali 5 years, 3 months ago

    CBSE > Class 09 > Mathematics
    • 1 answers

    Gaurav Seth 5 years, 2 months ago

    1. In Fig. 6.13, lines AB and CD intersect at O. If AOC +BOE = 70° and BOD = 40°, find BOE and reflex COE.

    Solution:

    From the diagram, we have

    (AOC +BOE +COE) and (COE +BOD +BOE) forms a straight line.

    So, AOC+BOE +COE = COE +BOD+BOE = 180°

    Now, by putting the values of AOC+BOE = 70° and BOD = 40° we get

    COE = 110° and

    BOE = 30°

     

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    <a href="https://mycbseguide.com/blog/ncert-solutions-for-class-9-maths-exercise-6-1/" ping="/url?sa=t&source=web&rct=j&url=https://mycbseguide.com/blog/ncert-solutions-for-class-9-maths-exercise-6-1/&ved=2ahUKEwiWrY2woPLsAhWLwjgGHZVtARIQFjAAegQIBBAC" rel="noopener" target="_blank">NCERT Solutions for Class 9 Maths Exercise 6.1 ...</a>

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