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aimmaths

  • 3 years ago

if o is the circumcenter of triangle abc and od is perpendicular to bc. prove that angle bod is equal to angle a

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  1. mathmate
    • 3 years ago
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    |dw:1357997398638:dw| Hint: From properties of circles, prove that mBOC=2*mBAC. Then, since triangle BOC is isosceles with OB=OC, mBOD=mDOC.

  2. aimmaths
    • 3 years ago
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    thanks

  3. mathmate
    • 3 years ago
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    yw! :)

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