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#1 2008-04-19 13:00:43
- stellina91
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- Registered: 2008-04-15
- Posts: 12
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 2008-04-19 13:14:07
- JaneFairfax
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- Registered: 2007-02-23
- Posts: 6,868
Re: Please check my answer
Thats correct. 
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#3 2008-04-23 06:30:17
- atut
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- Registered: 2008-04-23
- Posts: 30
Re: Please check my answer
thats correct
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#4 2008-04-23 07:45:30
- John E. Franklin
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- Registered: 2005-08-29
- Posts: 3,588
Re: Please check my answer
stellina wrote:
angle AOB + angle COD = 90
you meant:
angle AOC + angle COD = 90
and then it is right I guess.
igloo myrtilles fourmis
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