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danielle02

In a circle whose radius is 6 cm, there is a central angle whose measure is 60 degrees. How long is the chord joining the endpoints of the arc cut off by the angle?

  • one year ago
  • one year ago

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  1. manishsatywali
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    |dw:1359895628456:dw|

    • one year ago
  2. manishsatywali
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    use the proprty line from centre of chord bisects the chord

    • one year ago
  3. manishsatywali
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    |dw:1359895775160:dw|

    • one year ago
  4. danielle02
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    can you explain how to get the answer?

    • one year ago
  5. manishsatywali
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    w8

    • one year ago
  6. manishsatywali
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    |dw:1359896107013:dw|

    • one year ago
  7. manishsatywali
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    any doubt till here????????

    • one year ago
  8. manishsatywali
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    asap..........

    • one year ago
  9. manishsatywali
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    you might be wondering that how is angle AOP equal to 30 degree.............. frst focus on the triangle AOB........THERE u see angLE ABO is given to be 60 degree...and ABO = OAB(since both angles correspond to the radius sides OA and OB)..........BY USING triangle sum property sum equal to 180 DEGREE u wl get AOB=OAB=60 DEGREE

    • one year ago
  10. manishsatywali
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    now focus on the triangle AOP here u have equal sides AP and AB ......USING the property that angle corresponding to the equal to the sides are equal..so angle AOP AND POB are equal.......after this apply angle sum property in triangle APO....U will get angle AOP=POB=30 DEGREE...............REPLY if u have any problem???????????????/

    • one year ago
  11. manishsatywali
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    AP= OA sin30 degree AP = OA/2=6/2=3CM

    • one year ago
  12. manishsatywali
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    AB =2AP=2*3=6CM.......................

    • one year ago
  13. danielle02
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    Thanks for the help!

    • one year ago
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