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Kystal

  • 2 years ago

Prove that x=40

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  1. TheViper
    • 2 years ago
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    Any question ??

  2. decripter37
    • 2 years ago
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    x=40, done

  3. Kystal
    • 2 years ago
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    drawing my diagram~ wait~ sorry~

  4. TheViper
    • 2 years ago
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    :)

  5. decripter37
    • 2 years ago
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    XD don't worry

  6. TheViper
    • 2 years ago
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    good drawing xD

  7. Kystal
    • 2 years ago
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  8. zzr0ck3r
    • 2 years ago
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    you drew that?

  9. Kystal
    • 2 years ago
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    yeap ~

  10. sauravshakya
    • 2 years ago
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    |dw:1346932456806:dw|

  11. sauravshakya
    • 2 years ago
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    Now, use Sum of all angles of a triangle = 180

  12. punnus
    • 2 years ago
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    The two adjacent line are a tangent tot eh circle and also thery along with the lines forming the 70 angle form a quadrilateral. The sum of angles in a quadrilateral is 360 and angle formed by tangent is 90. Now I guess you can solve

  13. Kystal
    • 2 years ago
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    @sauravshakya thanks :))

  14. sauravshakya
    • 2 years ago
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    Welcomx

  15. sauravshakya
    • 2 years ago
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    @punnus the angle u are saying is not 90 because the lines are not radius or diameter

  16. punnus
    • 2 years ago
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    I know that. I wants trying to give hints to solve the question and not the solution.

  17. punnus
    • 2 years ago
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    Were @sauravshakya were you able to tell her why the rest of the angles of the triangle are 70.

  18. sauravshakya
    • 2 years ago
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    Angle between a tangent and a chord at the point of contact is equal to the opposite angle formed by the chord at the circumference

  19. Kystal
    • 2 years ago
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    @punnus it's one of the rules in a circle i know~but thanks anyway~ :)

  20. sauravshakya
    • 2 years ago
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    Ya.. its a theorem

  21. punnus
    • 2 years ago
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    @sauravshakya Do you know how that your theorem has come about...

  22. punnus
    • 2 years ago
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    It is a derived theorem...

  23. punnus
    • 2 years ago
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    derived using other theorems.

  24. sauravshakya
    • 2 years ago
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    Actually its not my theorem.. BUT IF u are asking for a proof then U can search it on google

  25. punnus
    • 2 years ago
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    I know the proof of this so called theorem...

  26. punnus
    • 2 years ago
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    My point is that when ever you solve a question solve it frm the basic theorems that are present and not the derived ones

  27. punnus
    • 2 years ago
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    @sauravshakya If you want i can prove it for you right now...

  28. sauravshakya
    • 2 years ago
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    I also know the proof..... But if u r willing to prove it then OK PLZ TAKE YOUR PRECIOUS TIME AND PROVE IT

  29. sauravshakya
    • 2 years ago
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    To know how to use the theorem is better then to know the proof of it

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