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December 20, 2014

December 20, 2014

Posted by **Tyler** on Monday, February 20, 2012 at 3:14pm.

1. If a triangle does not have 2 congruent sides, then it is not isosceles.

2. If a triangle is isosceles, then it does not have 2 congruent sides.

3. If a triangle has 2 congruent sies, then it is isosceles.

4. If a triangle is not isosceles, then it does not have 2 congruent sides.

- GEOMETRY -
**Steve**, Monday, February 20, 2012 at 6:49pmpositive: p -> q

contrapositive: ~q -> ~p

so, (1)

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