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Math Help - Angles Help! Please check my answer.

  1. #1
    Junior Member
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    Angles Help! Please check my answer.

    Show that OD is perpendicular to OA.

    angle AOB + angle BOC = angle COD
    28 + 17 = 45
    angle AOB + angle COD = 90

    Therefore, OD is perpendicular to OA.
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  2. #2
    Member SengNee's Avatar
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    Quote Originally Posted by stellina_91 View Post
    Show that OD is perpendicular to OA.

    angle AOB + angle BOC = angle COD
    28 + 17 = 45
    angle AOB + angle COD = 90

    Therefore, OD is perpendicular to OA.
    You are right.
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