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December 19, 2014

December 19, 2014

Posted by **lizzie** on Tuesday, January 22, 2008 at 5:15pm.

ex. if m<10 = 80*, then m<11 = ?

- geometry -
**Damon**, Tuesday, January 22, 2008 at 5:29pmThe two angles must add to 90 degrees

so if one of them is 10

then the other one is 90 - 10

or 80

If one is 40

then the other is 90 - 40

or 50

Angles that add to a right angle are called complementary.

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