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abdul_shabeer

  • 4 years ago

A circle touches two adjacent sides of a square and divide each of the other two sides into 2cm and 23cm. Find the radius of the circle.

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  1. abdul_shabeer
    • 4 years ago
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    I found this question interesting, I wanted to share it.

  2. abdul_shabeer
    • 4 years ago
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    I know the answer, i just wanted others to try it

  3. jimmyrep
    • 4 years ago
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    |dw:1330441895184:dw|

  4. jimmyrep
    • 4 years ago
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    i cant think how to do this at the moment!!

  5. abdul_shabeer
    • 4 years ago
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    A clue - Pythagoras theorem

  6. jimmyrep
    • 4 years ago
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    hhmmm - no - but is the angle at center of circle from the tangents = 90 - if my memory is correct?

  7. abdul_shabeer
    • 4 years ago
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    I didn't understand

  8. jimmyrep
    • 4 years ago
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    - not sure i do either - lol - my brains not working too well today

  9. abdul_shabeer
    • 4 years ago
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    I solved this question..

  10. jimmyrep
    • 4 years ago
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    well done - must be my age!! give me a little longer

  11. jimmyrep
    • 4 years ago
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    its too long to type here but a got an answer after several application of pythagoras i got radius = 18.1 cm

  12. abdul_shabeer
    • 4 years ago
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    No, radius is 17cm

  13. FoolForMath
    • 4 years ago
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    #1 "A circle touches two adjacent sides of a square" Does this imply tangents?

  14. abdul_shabeer
    • 4 years ago
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    Yes

  15. abdul_shabeer
    • 4 years ago
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    Diagram of jimmyrep is right

  16. FoolForMath
    • 4 years ago
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    Do you know the right answer?

  17. abdul_shabeer
    • 4 years ago
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    yes

  18. FoolForMath
    • 4 years ago
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    Tell us how to solve this.

  19. abdul_shabeer
    • 4 years ago
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    Ok

  20. abdul_shabeer
    • 4 years ago
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    |dw:1330512768123:dw| Then Pythagoras theorem

  21. FoolForMath
    • 4 years ago
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    Nice. :)

  22. abdul_shabeer
    • 4 years ago
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    Thanks

  23. jimmyrep
    • 4 years ago
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    lol - its so easy that way - i did it in a much more complicated way which i thought would work. maybe i made an error in the calculation. nicely done abdul

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